The party was attended by journalists, celebrities including rapper Wretch 32, Lauren Goodger, Lydia Bright and Joey Essex of The Only Way Is Essex.
BlackBerry competition winners also mingled with X-Factor judge Tulisa Contostavlos's ex-boyfriend N-Dubz rapper Fazer, Nicola McLean, Lizzie Cundy and Jessica Jane Clement.
Channel 4 News's technology journalist Benjamin Cohen was at the event and said hundreds of revellers were kept inside the club while police investigated the incident.
He also saw a bouncer whose hands and arms were covered in blood following the attack.
Cohen told The Daily Telegraph: "Everyone tried to leave at the same time but the organisers weren't geared up for it and there was a huge rush to get to the cloakroom.
"People were crying and quite a lot were being sick, whether from the blood or the alcohol. A lot of people here were teen users of BlackBerry who don't seem to have had a free drink before."
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A man who was attacked during a celebrity-packed party in London on Wednesday has died in hospital, Scotland Yard has said.
Married father-of-two Phillip Sherriff was stabbed in the neck with a gl...
A man who was attacked during a celebrity-packed party in London on Wednesday has died in hospital, Scotland Yard has said.
Married father-of-two Phillip Sherriff was stabbed in the neck with a gl...
A man has been charged with attempted murder after a bottle attack at a celebrity-packed party thrown by smartphone company BlackBerry. Ashley Charles, 25, of...
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The Huffington Post UK | By Chris Wimpress & Sara Nelson Posted: 8/04/2012 10:50 Updated: 8/04/2012 12:08