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Blair warns Labour over poll defeat 'whitewash'

With Labour still picking over the causes of its worst electoral performance since 1935, the man who led the party to three successive election victories warns the party it must "renew itself as the serious, progressive, non-Conservative competitor for power... [or] be replaced". Tony Blair presents research undertaken in three marginal constituencies, in the run-up to the election, suggesting it cannot begin the "long journey" back to government without "discarding the sectarian ultra-left politics" it says have taken over the party

His intervention comes as Shadow Brexit secretary Sir Keir Starmer tells the Guardian the party must return to being a "broad church", including those who consider themselves "Blairites". But he praises Momentum - the "grassroots" movement that backed Jeremy Corbyn - and argues against steering away from a "bold and radical" agenda. Sir Keir says he is "seriously considering" a leadership bid, as is Wigan MP Lisa Nandy. Though that process will not start before January, we look at some of the early contenders. On Tuesday night, Mr Corbyn took responsibility for the election defeat at a meeting of MPs characterised by one veteran MP as a mixture of "anger, despair and denial".

World-first 'may make chemo more effective'

"Am I a guinea pig?" says cancer patient Karen Childs. "It's quite nerve-wracking." She is the first person in the world to undergo "acoustic cluster therapy", which targets chemotherapy at tumours, in her case in the liver. The method uses ultrasound waves to pump microscopic clusters of injected drugs into tumours. Doctors at the Royal Marsden Hospital, in London, hope it will mean the drugs attack fewer healthy cells nearby and lead to fewer side effects for patients. Find out how it works in the BBC's exclusive report.

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Trump pens irate letter about impeachment

Ahead of an impeachment vote that could force Donald Trump to undergo a trial in the Senate, the US president uses a six-page letter to attack the Speaker of the lower House of Representatives. Impeachment is a political process to remove a president accused of misconduct. But Mr Trump accuses Nancy Pelosi, a Democrat, of "cheapening the very ugly word" and declaring "open war on American democracy" via the process. We pick out five key passages from the letter. To get up to speed with the case, check out our basic guide, and find out what it takes to remove a president.

'I tried to become the first female British Asian Tory MP'

By Kavita Puri, BBC News

Of the 365 Conservative MPs elected last week 14 were British Asians and four of them were women. It's a far cry from the late spring of 1983, when Cambridge University student Bem Le Hunte was on her way to watch an address by Margaret Thatcher. She was with a group of friends, carrying a basketful of eggs. That's when the news reached her.

Her mother had just been selected as the first British Asian female Conservative Parliamentary candidate in the forthcoming election. The announcement caused huge media excitement. Bem, however, was unimpressed, although it did make her think she'd better not pelt the prime minister with eggs, as she'd been intending.

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What the papers say

Front pages feature a variety of stories, with some focusing on Labour's electoral woes. Leader Jeremy Corbyn was "savaged" by MPs during a meeting, where his assertion that the election result "was ultimately about Brexit" was met with anger, says the Times. The Guardian hears exclusively from Sir Keir Starmer, the shadow Brexit secretary, who in saying he is "seriously considering" standing to be leader, argues "the case for a bold and radical Labour government" remains strong and the party should "anchor" itself in that.

Daily digest

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Instagram Vaping posts banned by ad watchdog

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If you watch one thing today

The pianist who learnt to play on a paper piano

If you listen to one thing today

Post-natal depression with Emelie Hryhoruk

If you read one thing today

How to have a sober Christmas: An addict's guide

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Lookahead

09:30 The president of the Supreme Court, Lady Hale, gives a valedictory address before she steps down and retires in early January.

10:00 The Bank of England presents a report into the financial risks from climate change.

On this day

1950 The "periodical with the world's biggest sale", the Radio Times, hits its Christmas edition deadline after an industrial dispute with printers and compositors over pay and conditions is resolved.

From elsewhere

A stark tally of the heat records that fell in 2019 (Mashable)

The opioid crisis exposed in photos from a hard-hit neighbourhood (National Geographic)

Wilfried Zaha: You think football is this amazing platform... then find out it is filled with abuse. (Independent)

There's no fun like mandatory office holiday fun (Atlantic)