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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Top temperatures 10 Celsius (50F).
Britain and the European Commission reached agreement on a transition deal which will allow talks on the future trade relationship.