Prime Minister Theresa May and her ministers will on Tuesday step up preparations for a "no deal" Brexit, an outcome made more likely by a deadlock in parliament over the British leader's divorce deal with the European Union.

Rescue vessels were heading to assist a Russian bulk cargo ship after it ran aground off beaches in southwest England, Britain's coastguard said on Tuesday.

Britain will leave the European Union at 2300 GMT on March 29, 2019. Wednesday marks 100 days to departure day.

Prime Minister Theresa May said on Monday she would bring her Brexit deal back to parliament for a mid-January vote, pledging to get assurances from the European Union before then to break a deadlock over Britain's fraught efforts to quit the bloc.

The crisis in Prime Minister Theresa May's government over her plans to leave the European Union has stirred interest in the possibility that Britain may hold a second vote on whether to end decades of membership of the world's largest trading bloc.

The United Kingdom's exit from the European Union has been plunged into disarray by Prime Minister Theresa May's failure to find a divorce deal the British parliament will approve.

The Labour Party said on Monday Prime Minister Theresa May had only offered a date for a new vote on her Brexit deal because it had threatened to call for a motion of no confidence in her.

Theresa May's cabinet of top ministers is backing the prime minister in working to get her Brexit deal through parliament, her spokesman said on Monday.

British Communities Secretary James Brokenshire said on Tuesday that preparing for a no-deal Brexit was the right course of action for the government to take despite the fact that it was not what it wanted to happen.

Companies and factories in England will have a legal obligation to foot the bill for the disposal or recycling of waste packaging they produce under new plans by Britain's environment minister.