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.
Police investigating the fatal shooting of a man in a West End nightclub on Boxing Day have released pictures of two people they would like to talk to.
Officers are appealing for information on the whereabouts of Danny Walker, 32, and Gavin Allen, 30.
The public are asked not to approach the men but to call the police on 999 if they see them.
31-year-old Hassan Isman Omer died after being shot several times in Avalon nightclub on Shaftesbury Avenue in the early hours of 26th December.
The website of a London nightclub where a man was shot dead describes itself as "a revitalised venue that oozes creativity and class".
The Avalon club calls itself a cocktail lounge with live DJs every night, and says it brings "a unique and stylish vibe to the heart of West End's party scene".
Scotland Yard said a man shot in the Avalon nightclub in the heart of London's West End died from multiple gunshot wounds.
A police spokesman said:
Shaftesbury Avenue has been closed while police investigate.
A man has died after being shot inside a nightclub in London's West End, Scotland Yard has said.
One man has been arrested in connection with the shooting, which happened at around 3am this morning at the Avalon club in Shaftesbury Avenue.
He is being questioned at a south London police station.
Seven people were shot and killed today in a Miami suburb including the suspected gunman, the Miami Herald newspaper said.
The gunman, who was holding two hostages at the time, was killed by a police SWAT team after an eight-hour stand-off at an apartment building in the suburb of Hialeah.
The stand-off began with an argument between the gunman and the husband and wife who ran the building.
A teenager shot dead as he sat in a parked car is believed to have had no links to gangs, Scotland Yard said.
Joseph Burke-Monerville, 19, was named by police after he was gunned down in Hindrey Road, Clapton, east London, yesterday evening
He was rushed to hospital but died later, while a 22-year-old man who was also in the car remains in a serious but stable condition, police said.
Police have named the teenager shot and killed in Clapton as Joseph Burke-Monerville.
19-year-old Joseph was from Islington. A post mortem is expected to take place tomorrow in Popular, east London.
Police continue to appeal for witnesses and information: Any witnesses or anyone with information should call police on 020 8733 4211. To remain anonymous call Crimestoppers on 0800 555 111.
Police are appealing for information on two men seen running away from the scene of the shooting on Hindrey Road, towards the nearby Pembury Estate.
One is black, officers said, while the second is light-skinned, possibly of Asian or Turkish appearance.
Police said there was as yet no clear motive for the shootings, and no-one has been arrested.
"At this very early stage we must retain an open mind regarding the circumstances of the incident and any motive," the spokesman said.