The leader of one of Britain's biggest trade unions has warned Jeremy Corbyn's stance on trident may rule him out as a future prime minister.
Sir Paul Kenny, the general secretary of the GMB, said there was already a "lot of debate" around Mr Corbyn's leadership.
He told Channel 4 News: "Maybe somebody else should be given the (nuclear) button."
Nobody wants their finger on the button. But if we get to that stage, the first and most important priority for this country is the defence of the realm.
You cannot go into any argument with anybody anywhere on the basis that the other guy on the other side of the table knows you ain't going to do nothing. Straightforward.
We take a look back at the best photographs from the Labour Party Conference.
As Jeremy Corbyn concedes he would renew Trident if it's what his party chooses, has the Labour leader sold out over a shot at power?
Jeremy Corbyn has told ITV News he would concede with the majority Labour vote on Trident.