 The accident prompted one of the first Sig alerts to be raised by the Los Angeles Police Department, causing mass traffic jams as medical staff and sightseers rushed to the scene.The media soon arrived and within an hour of the wreck KTLA Channel 5 was broadcasting live from the scene; floodlights to illuminate the grisly scene being donated by nearby movie studios.In all 30 people were killed and a further 117 injured.