Surveillance footage of the moments Elliot Rodger opened fire at a deli in Isla Vista, California, has been released.
The video broadcast on ABC in the United States shows customers queuing at a cash register before ducking to the floor.
CNN said the video also shows the moments victim Christopher Martinez, 20, ran inside and was hit by bullets before his friends performed CPR, however the footage was not broadcast.
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Through the day, most of the cloud should break up to leave fine conditions for many with spells of sunshine.
The Eiffel Tower in Paris was plunged into darkness, with the Burj Khalifa in Dubia emblazoned with the Union Jack.
The major party leaders' campaigns for the General Election will remain suspended on Wednesday following the Manchester terror attack.