172 Labour MPs voted against their leader Jeremy Corbyn on Tuesday, hugely outnumbering the 40 MPs who supported him, passing a motion of no confidence in the Labour leader. Corbyn has refused to step down, saying in a statement that he was democratically elected by 60% of the Labour membership and "will not betray them by resigning".
He also called on MPs to "unite behind my leadership at a critical time for our country".
Read the full statement below:
"In the aftermath of last week's referendum, our country faces major challenges. Risks to the economy and living standards are growing. The public is divided.
"The Government is in disarray. Ministers have made it clear they have no exit plan, but are determined to make working people pay with a new round of cuts and tax rises.
"Labour has the responsibility to give a lead where the Government will not. We need to bring people together, hold the Government to account, oppose austerity and set out a path to exit that will protect jobs and incomes.
"To do that we need to stand together. Since I was elected leader of our party nine months ago, we have repeatedly defeated the Government over its attacks on living standards.
"Last month, Labour become the largest party in the local elections. In Thursday's referendum, a narrow majority voted to leave, but two thirds of Labour supporters backed our call for a remain vote.
"I was democratically elected leader of our party for a new kind of politics by 60% of Labour members and supporters, and I will not betray them by resigning. Today's vote by MPs has no constitutional legitimacy.
"We are a democratic party, with a clear constitution. Our people need Labour party members, trade unionists and MPs to unite behind my leadership at a critical time for our country."