They're protesting possible changes to the minimum wage system.

We are not happy at all.

We have our Children and our our needs to.

In 2019, Nigeria's minimum wage was increased to 30,000 naira or $79 a month, up from 18,000 naira.

Unions had gone on strike in late 2018 to push for the rise, but a bill now under discussion in the House of Representatives could change that.

It proposes Nigeria's 36 states each set their own minimum wage rather than it's been decided by the federal government.

Many states have struggled to pay the salaries of civil servants in recent years.

Outside parliament, a Uber Wahba, president of the Nigerian Labour Congress, said the issue was protecting the most vulnerable workers.

Once you remove that bar of having a national sleep of what cannot be paid as a which they will then go back and pay slave wages.

A dodo Goa, majority leader of the lower house, accepted a letter from protesters and said such legislation was still only a proposal.