Chuka Umunna has slammed Jeremy Corbyn for refusing to table a motion of no-confidence in Boris Johnson.
The Liberal Democrat MP said the opposition leader had "flunked" the opportunity to trigger a general election, despite a plea for him to do so from newly-election Lib Dem leader, Jo Swinson.
"You had the absurd situation of Jeremy Corbyn saying there should be a general election and one should be called, but not tabling a proper full confidence motion which is required to trigger a general election which only the leader of the opposition can do, and he flunked it," Mr Umunna told talkRADIO's Julia Hartley-Brewer.
"He refused to table that motion of no-confidence, which illustrates how appallingly bad the official opposition have been at holding the government to account on all of this."
She tabled a symbolic motion expressing no-confidence in Mr Johnson, but this will not be voted on by MPs.
Mr Umunna continued: "We are heading to a situation when in order to have a functioning government, we may need a general election. Will it solve the Brexit issue on its own? If we end up with another hung Parliament, obviously it won't. Which is why we will still need a People's Vote.
“It might be that the general election is very decisive, and you could view that as giving a definitive say [on Brexit]."