Labour leader Jeremy Corbyn used his conference speech to attack the Daily Mail for its election coverage and dared its editor to double down in its attacks.
"The day before the election one paper devoted 14 pages to attacking the Labour Party," Corbyn told the packed Labour conference in Brighton on Wednesday.
"And our vote went up nearly 10%. Never have so many trees died in vain."
The Mail's election edition carried more than a dozen pages of anti-Corbyn stories, including a front page with the headline "Apologists for terror".
First thirteen pages of today's Daily Mail are absolutely relentless.
Corbyn went on to dare the Mail's controversial editor Paul Dacre to ramp up the newspaper's coverage at the next election.
He said: "So this is a message to the Daily Mail’s editor: Next time, please could you make it 28 pages?"
Corbyn said the newspaper's attacks were responsible for the online trolling and abuse directed at Labour figures like Diane Abbott, prompting a standing ovation from the conference.
"It fuelled abuse online, and no one was the target of that more than Diane Abbott," he said. "She has a decades-long record of campaigning for social justice and has suffered intolerable misogynistic and racist abuse."
Corbyn added: "Faced with such an overwhelmingly hostile press and an army of social media trolls, it’s even more important that we stand together."
Calling out the UK tabloids has been a popular theme at Labour's conference this year. Deputy leader Tom Watson used the closing of his speech to go after Rupert Murdoch's papers, making special mention of The Sun's famous claim to swing elections.
"This time it was not The Sun wot won it," Watson said. "And let me tell you, conference: It never will be The Sun wot won it again."
Here is the full video of Corbyn attacking the Mail and the standing ovation for Diane Abbott.
BuzzFeed News has contacted the Mail for comment.