In the United States, the death toll from a fire that tore through a California warehouse during a rave party has gone up to 30 as firefighters combed through rubble for others believed to be still missing. Alameda County Sheriff's Sergeant Ray Kelly said only a fraction of the charred remains of the partly collapsed structure has been searched, and crews clearing debris are expected to find more bodies as they advance.<br/>'The building known as the "Ghost Ship" had been used by artists as a living and work space but had no license for such use, officials said.<br/>'As many as 100 people were there for a party Friday night<br/>when the fire broke out just before midnight. Fire officials<br/>are still investigating the cause of the blaze. They said<br/>clutter fueled the flames and there were no sprinklers inside and<br/>few exits to escape.<br/>