Leader of the Labour Party UK
But Labour leader unclear on whether party would hold referendum if in power.
"It’s myth, it’s rubbish."
PM attacks Labour leader for not voting fo her deal.
The warning comes after the Times newspaper carried quotes from unnamed civil servants about the Labour leader.
Labour leader "fit as a fiddle", says Unite boss, and Times journalists "should be ashamed of themselves".
A report in the Times said the Labour leader was not up to the job of prime minister “physically or mentally”.
“Course he denied it. The man’s out of control!”
US President brands Labour leader "something of a negative force".
Labour leader calls on the US president to "think on" as he addresses protest rally in central London.
Corbyn issues new statement that election or public vote 'the only way out' of the crisis.