One voter on Channel 4 News said Mr Corbyn did not “come across as a statesman” or a potential Prime Minister.
Speaking to journalist Michael Crick, he said: “I don’t think he’s a statesman. He doesn’t come across to me as a statesman.
“I’m going back to Wilson and Jim Callaghan. They looked as if they were statesmen and prospective… prime ministers.”
Another voter, in Labour’s strongest constituency Bishop Auckland, which it has held since the 1930s, said he thought the Tories would win the seat this time.
CHANNEL 4 NEWS
Voters said Jeremy Corbyn was not a strong enough leader for Labour to win the General Election
He doesn’t come across to me as a statesman
“I think the Tories are going to get in for this one,” he said.
Questioned by Crick on the Labour Party’s strength in the ward, he added: “I don’t think Labour's going to have a chance this year. I think the Tories are going to whitewash everything.”
The constituency’s Labour Party candidate Helen Goodman was then asked whether she even wanted Jeremy Corbyn to become the Prime Minister.
She replied: “Well it’s no secret that I nominated Yvette Cooper but Jeremy’s the leader and I accept that Jeremy’s the leader.”
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Theresa May’s party won 49 per cent support in the Ipsos Mori poll, unchanged from the previous one.
Labour were behind on 34 per cent, an eight point increase.
The Liberal Democrats trail on eight per cent (-1) and Ukip finished on six per cent (+3).