London (CNN) British Prime Minister Boris Johnson could be forced out of office next week as opposition lawmakers try to join forces to replace him with an interim administration in order to secure another Brexit delay.

Senior Scottish National Party (SNP) MP Stewart Hosie told the BBC on Saturday there was a real chance a House of Commons no confidence vote could take place in the government next week. If Johnson lost that vote, he could be forced to let Labour leader Jeremy Corbyn try to form a minority government.

Corbyn himself is a divisive opposition leader, having faced criticism for his vague Brexit stance and failure to stamp out anti-Semitism in the Labour Party. His approval rating of minus 60 points makes him the least popular of any opposition leader on record, and support for Labour is stuck in the mid-20s -- well short of the level required to win a majority in the UK Parliament.

Hosie warned that sending Corbyn to Downing Street may be the only way to ensure the UK does not crash out of the European Union on October 31.

For a vote of no confidence to succeed in Parliament, all opposition parties would need to support it.

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