One Meridian Plaza Workers had been refinishing woodwork in a vacant office earlier in the day and workers left a pile of rags soaked in linseed oil on the floor. The linseed oil oxidized and generated enough heat to ignite the rags, which then set fire to other solvents nearby. Smoke detectors did not cover the entire floor and by the time the fire alarm went off the fire was already well established. After the fire alarm sounded in the building the engineer went up to the 22nd floor to investigate. When the elevator reached the 22nd floor the engineer found heavy smoke
User-generated content based on user-generated content, including Wikipedia (2001) and Flickr (2004). The BBC set up a user generated content team as a pilot in April 2005 with 3 staff. In the wake of the 7 July 2005 London bombings and the Buncefield oil depot fire, the team was made permanent and was expanded, reflecting the arrival in the mainstream of the citizen journalist. After the Buncefield disaster the BBC received over 5,000 photos from viewers. The BBC does not normally pay for content generated by its viewers. In 2006 CNN launched CNN iReport, a project designed to bring user generated news