BBC News N. Ireland Politics

US state department warns against "a big fight between the UK and the EU" amid the Ukraine war.

The two leaders discussed issues surrounding Brexit and the ongoing row over the Northern Ireland Protocol.

Meanwhile, US House Speaker Nancy Pelosi says the UK must not discard the protocol.

The UK's plans for post-Brexit trading arrangements have changed the mood, Enda McClafferty writes.

It is disappointing and shocking that the system is in crisis again, a former health chief says.

But Sinn Féin says the UK is acting like a rogue state after it outlines plans for protocol changes.

Boris Johnson has moved from junking Theresa May's deal to trying to fix his own, writes John Campbell.

The EU Commission opposes UK plans to change the Northern Ireland Protocol - but both sides are open to negotiations.

The foreign secretary says the proposed legislation would make changes to the Protocol to resolve the "grave situation".

Can the UK, the EU and parties in Northern Ireland find a solution to the Northern Ireland Protocol?

The Northern Ireland Protocol is at the centre of a dispute between the UK and the EU.

BBC News NI's John Campbell explains the safeguarding elements of the Brexit deal affecting Northern Ireland.

Foreign Secretary Liz Truss insists planned legislation allowing changes to Northern Ireland protocol would not break international law.

As tensions build over Northern Ireland, concerns of an EU-UK trade war have surfaced.

Boris Johnson is accused of using soft words in a series of robust meetings with political parties.

The Sinn Féin MLA replaces the SDLP's Nichola Mallon, who lost her seat in the assembly election.