After a turbulent week in British politics, opposition parties were grappling on Friday with a big decision: whether to back Boris Johnson’s call for an election or try to put more pressure on the embattled prime minister first.

Jeremy Corbyn, who heads the main opposition Labour Party, was holding talks with other party leaders about a vote scheduled for next week in UK Parliament on calling an October election.

Johnson has lost one such vote but plans to try again on Monday, saying an election is the only way to break the country’s deadlock over Brexit.

But the opposition wants to be sure that Johnson — who says he would “rather be dead in a ditch” than delay Brexit — can’t take Britain out of the European Union on October 31 without a divorce agreement.

Parliament is in the midst of passing an opposition-backed law that would compel the Conservative government to seek a Brexit postponement if no deal is agreed by late October. The bill is likely to become a law on Monday, and many pro-EU lawmakers want to hold off on triggering an election until it is set in stone, fearing Johnson will try to wriggle out of the commitment.

Labour foreign affairs spokeswoman Emily Thornberry said Johnson was “as slippery as can be” and could not be trusted.

Johnson’s push to leave the EU by Halloween, with or without a divorce deal to smooth the way, is facing stiff opposition, both in Parliament and in the courts.

On Friday, Britain’s High Court rejected a claim that Johnson is acting unlawfully in suspending Parliament for several weeks ahead of the country’s scheduled departure from the EU.

Johnson enraged his opponents by announcing he would send lawmakers home at some point next week until Oct 14, just over two weeks before Britain is due to leave the EU. Critics accused him of subverting democracy and carrying out a “coup.”

Transparency campaigner Gina Miller took the government to court, arguing the suspension was an “unlawful abuse of power.”

A panel of three High Court judges ruled against her, but said the case can be appealed to the Supreme Court, which has set a hearing for Sept 17.

Outside court, Miller said she was disappointed with the ruling but “pleased that the judges have given us permission to appeal to the Supreme Court.”

“To give up now would be a dereliction of our responsibility,” she said. “We need to protect our institutions. It is not right that they should be shut down or bullied, especially at this momentous time in our history.”

EU officials confused by UK position on Brexit

Senior European Union officials say Britain’s position on leaving the bloc is confusing and that it seems increasingly likely the country will depart without an agreement.

Finnish Prime Minister Antti Rinne, whose country currently holds the EU’s rotating presidency, said on Friday that “the situation in Britain is quite a mess now and we don’t know what is happening there.”

He says, “it seems very obvious that we are not getting Brexit with an agreement.”

European Parliament President David Sassoli says “everything seems to be rather confused. It’s very difficult to understand what the British government and parliament want to do right now.”

They add that the EU is prepared for a no-deal Brexit and stands united in defending the divorce agreement.

U.K. and British negotiators are holding a second round of technical talks in Brussels aimed at breaking the Brexit deadlock.