A new poll gives Jeremy Corbyn his lowest rating yet on the question of who would make the best prime minister

The Conservatives have extended a four point lead over Labour according to the latest YouGov poll for The Times, suggesting that the row over antisemitism has damaged Jeremy Corbyn.

The poll found that 39 per cent of people said they would vote Tory, up one point compared with last week when both parties were level. Labour dropped three points to 35 per cent. The Liberal Democrats are unchanged on 10 per cent. Ukip rise by one point to 7 per cent.

Theresa May has a 14 point lead over Mr Corbyn, up seven points on last week, on the question of who would make the best prime minister.

Some 36 per cent say they would chose Mrs May as premier, up 4 points, while