Hundreds of people on Twitter have said they will refrain from tweeting today, to protest at the recent abuse and threats received by several high-profile women on the platform.
The hashtag #twittersilence has been top trending in the UK for more than 12 hours, as people debate their feelings on the protest.
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In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.
The star celebrated his 70th birthday with his family before attending a celebrity-filled bash held in his honour.