Why is the Irish backstop so important in Brexit negotiations?

Living on Brexit's flashpoint: the Northern Ireland border

Rishi Sunak announces new Brexit deal for Northern Irish border

The slow death of Ireland’s fishing industry

Pettigoe: the village divided by the Irish border

Brexit - What is a 'no-deal' Brexit?

Irish PM: No-deal Brexit increasingly likely, border poll would be 'divisive'

No-deal Brexit looms larger as Johnson, Hunt declare backstop 'dead'

Johnson may opt for backstop ‘which only applies to Northern Ireland’, says former Belfast advisor

Brexit protest at the border in Ireland on the night UK departs the European Union

Speculation over Brexit deal based on major shift by UK government

Northern Ireland traders in the dark over post-Brexit trade with Britain

'Checkmate' for Theresa May as Brexit talks fail again

Northern Ireland trade law to rip up Brexit treaty clears first parliamentary hurdle

'Inching towards conclusion': Irish PM says EU deal with UK over Northern Ireland Protocol is close

Germany's Scholz warns UK against 'unilateral' change to post-Brexit accord in Northern Ireland

Hard Brexit Scotland Impact

DUP: There is no border in the Irish sea

Brexit road trip day 4: Northern Ireland

What are the UK's post-Brexit immigration plans? Euronews answers

Brexit back in play again as UK and EU restart talks on Northern Ireland Protocol

British MPs reject proposal to delay Brexit

Brexit has happened. UK and EU finally split as a New Year dawns. But what are the key changes? 

UK is legally bound to Brexit deal, including Northern Ireland protocol, says EU spokesman Daniel Ferrie

Brexit has hit UK's position as a gateway to Europe for imports, say freight firms

Brexit trade deal: British are 'creating chaos deliberately' says Irish foreign minister