UK MPs will vote on whether they want to leave the European Union with no deal in place.
Britain's still due to exit the bloc on March 29.
But on Tuesday, Prime Minister Theresa May's deal with Brussels was overwhelmingly rejected by lawmakers for a second time.
Conservative MP James Cleverly says he's clear which way he'll vote on Wednesday.
Meanwhile, the UK has announced its plans for tariffs on goods coming into the country if there's a no deal Brexit.
Most imports into the UK wouldn't have tariffs on them - but some significant products would.
Theo Usherwood has more details.

Plane crash in Colombia kills 15, including politician
South Korea court jails former first lady for bribery
Britain's Starmer arrives in China as Western alliances face strain
Indian minister Ajit Pawar dies in plane crash
Winter storm kills dozens as cold lingers in central and eastern US