As it happened: Wednesday, July 18

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By Chris Harris
As it happened: Wednesday, July 18

Here is our midday CET summary of the key developments so far:

Brexit turmoil: British Prime Minister Theresa May will answer MPs' questions in parliament today after another fraught week on Brexit as rumours swirl a leadership challenge is brewing. 

Trump on Russia: US President Donald Trump has made a u-turn on controversial remarks he gave at a joint press conference with Russian President Vladimir Putin, saying he "misspoke" and accepts intelligence agencies' conclusion that Russia meddled in the 2016 US election.

Google fine: Google is today expected to face a record-busting EU antitrust fine over its Android mobile operating system.

Thailand cave: The Thai football team who were trapped in a cave are expected to be released from hospital, with a press conference scheduled early this afternoon.

**Musk apology: **Elon Musk has apologised after abusing a British caver on Twitter.

This is how our as-it-happened coverage evolved over the morning: