Brexit negotiations
Hopes dashed as Nigel Dodds calls PM's bid to salvage agreement a "failure".
Taking part in European elections in May would be "utterly intolerable", MPs warn prime minister.
Ex-No10 aide Nikki Da Costa says she fears the speaker could try and scupper Brexit in a tiebreaker vote.
Our round-up of the big hitters.
PM's pledge raises prospect of no-deal exit
PM asks Brussels to grant 'short' extension of Article 50.
"The real question is what is the purpose of it? What is it for?" the bloc's chief negotiator asked.
Theresa May's cabinet is meeting to decide what to do next.
Dramatic move throws PM's plan into chaos.
The PM will ask EU for long Article 50 extension if the deal is not passed this week.