Veteran left-wing MP Jeremy Corbyn received the warmest welcome of all the candidates at a Labour leadership campaign hustings.
All three of his rivals were booed and heckled on the issue of renewing Trident, and for refusing to condemn Tory welfare reforms.
Speaking ahead of her nomination for the race to become Labour leader, Yvette Cooper made her case in a speech in central London.
She said the leadership contest "needs to be about the future of the country not just the past of our party if we are to win again".
"We have a long, hard road to support Scottish Labour rebuilding trust in Scotland. A task to win back the trust of Labour voters who switched to Ukip, angry with us and at the world."
She added: "We won't deliver a Labour government by swallowing the Tory manifesto, Tory plans or Tory myths. In the end the Tories don't have the right values or the right answers for our country.
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.