Watch live: Mark Zuckerberg admits misuse of data 'big mistake'

Mark Zuckerberg has admitted the misuse of users' data was a "big mistake" as he gave testimony to Senate committees in Washington.

Watch live: Mark Zuckerberg admits misuse of data 'big mistake'

Update 10.19pm: Mark Zuckerberg has admitted the misuse of users' data was a "big mistake" as he gave testimony to Senate committees in Washington.

The founder of Facebook is answering questions from senators in light of revelations that Cambridge Analytica used Facebook data to influence US voters.

Mr Zuckerberg said that Facebook will take a more "proactive position" when it comes to dealing with apps in future.

Earlier: Mark Zuckerberg has apologised to US senators over the scandal which has seen the personal details of 87 million users being shared.

The Facebook boss started two days of questioning by committees in Washington after be

ing called to testify.

It is after UK firm Cambridge Analytica got access to data from Facebook users.

The social network has been sending messages to those people who have been affected.

In his opening statement, Mr Zuckerberg took personal responsibility for the scandal.

"We didn't take a broad enough view of our responsibility and that was a big mistake and it was my mistake and I'm sorry.

"I started Facebook, I run it and I'm responsible for what happens here."

- Digital Desk

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