The family of British-born California shootings suspect Elliot Rodger "send their deepest condolences to all of the victims' families", their attorney has said.
The 22-year-old was born in the UK but moved to the United States as a child.
His father, film-maker Peter Rodger, was educated in Maidstone, Kent and was assistant director on 2012 blockbuster The Hunger Games.
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Warwickshire Police are currently dealing with an "ongoing incident" at Bermuda Park, Nuneaton.
The Labour leader has called the Norwich South MP's remark "completely unacceptable" and says Clive Lewis has personally apologised to him.