The prime minister has said this evening that there's a strong possibility of no agreement on a post Brexit deal.

He met the European Commission President Ursula of underlying last night but failed to break the deadlock.

Both sides admitted that they remained far apart, but agreed that talks would continue until Sunday.

A decision will then be made on whether or not the discussions are worth continuing.

Boris Johnson said he'd informed the Cabinet that the deal as it stood wasn't right for the UK Here's our political editor, Laura Ginsburg.

Is he ready to walk out of the EU system without a deal in place?

There are plenty of other foreign leaders to greet Boris Johnson's guest today.

The crown prince of Abu Dhabi.

Okay, the prime minister cannot shake hands with him.

With only four days to go, he's worn.

Tonight there'll be nothing to shake on with you.

Is it all over, prime minister?

There's now a strong possibility, strong possibility that we will have a solution that's much more like on Australian relationship with the U than a Canadian relationship with the EU.

That doesn't mean It's a bad thing.

There are plenty of ways a Zaev said, that we can turn that Teoh the advantage of both sides.

A relationship like Australia really means no deal on maybe massive disruption.

Under the use emergency plans out today, UK transport could only move around the continent if it sticks to European rules even though sharing regulations is at the center of the clash.

In the talks, Some firms, though, are already fed up alkaline transport run 200 trailers out of hiding Kent with sites across Europe.

And they've even invested in a couple of helicopters to keep things moving.

Spending more than £3 million trying to keep up with what might happen.

This you began A for three solid years.

They keep changing the goal posts.

Every time they do that, we're losing 500,000 and we got on and off, on and off, on and off.

That is what really frustrating about that, because first of we don't know which way you heading were just flying blind at the moment.

So I'm gonna make any difference.

Whether concession is gonna be is still gonna be an absolute nightmare and we're the ones they're going to suffer.

Downing Street wonders whether this crowd will budge.

You leaders getting together in Brussels don't want the UK to keep the benefits of Europe's huge market if the UK won't stick to their rules.

But if neither side can compromise is a failure for both.

No one understates the challenges that lie ahead.

I'm a bit more gloomy today, a Sfar as I can here.

There is no progress.

I think a no deal would would not be a good thing, but a bad deal would be even worse.

The UT faster corral, 27 countries on number 10 on decide whether to pull the plug on Sunday.

We are willing to grant access to the single market to our British friends.

It's the largest single market in the world.

But the conditions have to be fair.

They have to be fair for our workers and for our companies on this fine balance.

Off fairness has not been achieved so far.

The negotiators are back in the room on almost any kind of deal would be a dead cert to pass through parliament, but with an agreement in doubt, The opposition leader, who nearly certainly would vote for it, urged the prime minister to compromise.

To get there, you must have a strategy for overcoming this.

If you're going to trade with another country, you've got agree the terms of that trade.

I think most people would say, Get around the table, use the time you've got between now and Sunday, come back with the deal that you promised.

They've even bean conversations about MPs approving a deal in the dead days between Christmas and New Year if one can be done.

But it just doesn't feel tonight as if that's the way things are going.

Of course, both sides do indulge in spin.

But if the chances of an agreement were measured by the mood, they'd be low and gloomy right now, having left the club already, the U.

K is not in the room tonight in Brussels, but the leaders there still have the power to change the outcome.

Justus Boris Johnson does it home.

Laura Ginsburg, BBC News Westminster Let's speak now to our Europe editor.

Catch your Adler, who's in Brussels for us and catchy.

How are the prime minister's words going down there?

Well, we turn a practical level.

The you absolutely agrees with the prime minister that big changes coming on the first of January deal or no deal that will affect all of our lives on the use.

Bean telling European businesses to prepare for quite some time.

But I think you're probably referring to their eater is the really clear sense of pessimism that the prime minister expect about the possibility of reaching a deal on there.

He has matched 100% with the mood amongst you leaders.

We heard that the Swedish prime minister, using the word gloomy when he came into his summit today no deal.

Two very small words.

They're gonna have a massive impact.

There's a feeling here that reality could be about to bite.

In the EU alone, it's thought that 700,000 jobs could be at risk of no deal.

But in the end, the prime minister's words today they don't come as any surprise to you leaders.

No shock, no surprise.

They don't actually change anything in the negotiations.

They continue to here in Brussels today.

They're still big sticking points between the sides were told on the three main issues fish competition regulations and how to govern an eventual deal on We heard from us.

Love underlined the European Commission president that a decision will be reached on Sunday.

But really, what we don't know is what that decision will be.

Deal no deal or let's keep talking just a little while longer.

Mm cata Many thanks Our Europe editor.

Catch your Adler there.

Well for businesses, this is a period off.

Tremendous uncertainty.

The Brexit transition period during which the UK has remained in line with EU rules, ends in just three weeks.

Time on.

As we heard, hopes of a deal are now very much hanging in the balance, Business editor Simon Jack reports.

The branding is British.

The customers are all over the U 50% of everything produced in this factory in Worthing heads for Europe on the lack of progress on a deal.

Is making the owner on her customers very nervous.

It's really stressful.

It's really hard because all the time does that feeling like, you know, Are we doing the right thing?

Is there something more that we should be doing than what we are doing?

Our customers are asking us all the time what's gonna happen.

What's going on.

They want reassurances, uncertainties for most persons, questions that we can't give them answers to a swell which makes it so difficult on.

Yeah, we have got a few customers who are actually holding off from placing really big orders with us and contracts and things because they want to know the outcome.

What's gonna happen?

How's it going?

We've looked at a couple of warehouses, so nervous, in fact, her business partner was in Spain today looking at new premises to limit any damage.

A no deal might bring houses there's one behind, which is 8000 square feet.

Just a shell will be able to put the protein balls in the porridge inside.

Obviously, this is a Plan B, but it's a good plan.

B option theme.

UK economy is not well placed to take another shock.

In October, it grew just north 0.4%.

It's on course for the worst downturn in over 300 years.

On perhaps the key issue, which trade rules do the two sides play by on what happens when they disagree?

Businesses think very differently to politicians.

Many businesses see it like this.

On the one hand, a deal where if the rulebooks diverge over time, tariffs might be applied, not ideal.

On the other hand, don't do a deal on C swinging tariffs imposed in three weeks time on top of new border procedures.

Ah, ports crisis on a covert ravaged economy that for many is the perfect storm.

And that is why business leaders are so desperate for a deal.

Look, my message to the government is, sovereignty is important, and we trust the prime minister in putting that right at the heart of his negotiations.

But a deal is a huge prize for Britain.

No deal is a huge price for Britain.

Let's strain every sinew to get that deal.

By Sunday.

The clock is ticking.

Time is desperately sure.

First of January 2021 businesses that deal with your rep will have to follow new rules.

The government insists any deal is not just for Christmas, but for keeps, and we need the best long term outcome.

But as we approach the edge, most businesses would say no deal is not it.

Simon Jack, BBC News.

So if the transition period does end on the 31st of December without a trade deal, it will mean changes for our everyday lives.

Here's our deputy political editor, Vicky Young.

Trade deals make things run more smoothly for businesses.

Since leaving the EU, Britain has agreed dozens off them, but the one that arguably the most important of all has run into trouble.

For decades.

The U.

K and the rest of the European Union have bought and sold goods across borders without checks or taxes known as tariffs.

But if there's no deal, then companies will have to operate under rules set by the World Trade Organization.

That means that most of the food imported to the UK from the EU will attract an extra tax.

The British Retail Consortium has calculated that it will mean 48% on beef mince 16% on cucumbers on 57% on cheddar cheese.

When it comes to exports from the UK to the EU, it will mean a tariff of 10% on cars on 35% on dairy products.

Both sides are putting measures in place to reduce disruption from the start of January in key areas such as transport.

The you said today that it would allow things to carry on broadly as they are, but only if the UK continue to follow existing rules on standards.

And today the EU has outlined temporary measures for areas other than trade.

So on aviation, they're saying that for six months UK planes can still fly to the U, but they have to go to a single destination and then return.

Existing safety certificates would continue to be valid on gone fishing.

They're saying that both sides should continue toe access each other's waters for up to one year.

But the UK would have to agree all of this on.

There are other aspects of our relationship, including financial services and data sharing, that also need to be ironed out.

This won't necessarily involve a negotiation.

Many things are changing.

Whether there's a trade deal or not will no longer be able to move freely between the UK and the EU to live on Dwork.

When it comes to holidays, you won't need a visa, but visits will be time limited.

Free healthcare will no longer be guaranteed, will need different driving documents for some countries on extra paperwork for pets.

All of those things have been agreed, but there's plenty more that will need to be discussed if trade talks collapse in the next few days.