TWITTER/ PA Rob Marris is the latest MP to quit the shadow cabinet and call on Jeremy Corbyn to resign

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Rob Marris resigned as shadow finance minister during a finance bill committee meeting, according to fellow MPs. Ruth Cadbury, MP for Brentford and Isleworth, tweeted: “At Finance Bill Committee Rob Marrishas just stood up and resigned as Shadow Financial Secretary to the Secretary.” In a parting shot Mr Marris, MP for Wolverhampton, called for Mr Corbyn to resign. Mr Marris said: “I am resigning as shadow finance secretary forthwith and I will not be in front of this committee unless there is a change in the leadership in the Labour party.”

I am resigning as shadow finance secretary forthwith and I will not be in front of this committee unless there is a change in the leadership in the Labour party Rob Marris

The resignation comes as the party heads towards a full-blown leadership contest after Mr Corbyn refused even to discuss some form of "negotiated settlement" following Tuesday's unprecedented vote of no confidence by Labour MPs. Labour’s MEPs, former leaders Ed Miliband, Gordon Brown and Harriet Harman have all joined calls for Mr Corbyn to quit. Even David Cameron said he should stand down in the national interest.

At Finance Bill Committee Rob Marris @WSW_Labour has just stood up and resigned as Shadow Financial Secretary to the Secretary — Ruth Cadbury MP (@RuthCadbury) June 30, 2016

Hours after Mr Marris' resignation, the Labour leader released a statement declaring:"I was elected leader of our party, for a new kind of politics, by 60 per cent of Labour members and supporters. "The need for that different approach is now greater than ever. "Our people need Labour Party members, trade unionists and MPs to unite. "As leader it is my continued commitment to dedicate out party's activity to that goal." But the statement quickly came under fire as social media users pointed out the Labour leader had spelt his own name wrong.

TWITTER The Labour leader spelt his own surname wrong on the statement

REUTERS A defiant Jeremy Corbyn leaves his London home today

AFP GETTY Jeremy Corbyn smiled to reporters as he comes under pressure to resign as Labour party leader

More than 60 member of the shadow cabinet have stepped down since Sunday but Mr Corbyn remains defiant. Mr Corbyn suffered the indignity of further shadow cabinet resignations, with shadow education secretary Pat Glass quitting just two days after being appointed to the post saying the situation was "untenable". 172 Labour MPs are understood to have voted against their leader, with just 40 backing his leadership as the group’s bitter civil war threatens to tear the party apart.

Labour MP resignations Mon, June 27, 2016 The members of Labour party's Jeremy Corbyn's shadow cabinet who have resigned this year 2016 Play slideshow PA 1 of 26 Labour MP resignations full list

However a defiant Mr Corbyn is refusing to bow to "a corridor coup" despite losing more than 50 members of his shadow cabinet in just two days after sacking Hilary Benn in the early hours of Sunday morning. Angela Eagle is to delay her expected leadership challenge to Mr Corbyn, Labour sources have said. The former shadow business secretary had been expected to declare that she was going to run as a "unity candidate" at a 3pm news conference. However sources said she had decided to hold off because of the turmoil engulfing the Conservatives following the shock withdrawal of Boris Johnson from the leadership race.

GETTY Angela Eagle is to delay her expected leadership challenge to Mr Corbyn