Mike Hancock was declining to come out of the family home in Portsmouth this morning to respond to allegations that he sexually assaulted a vulnerable constituent.
His adult son was not so reticent. He got into a fight with one of the waiting photographers, who was left with a bloodied nose.
Mr Hancock Jr has just been taken away by police for questioning.
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The foreign secretary has criticised internet and social media giants for failing to detect and remove extremist material posted online.