figure out what sparked a deadly limousine fire. it killed five women. among them was a bride about to celebrate her wedding. five other people in the limo, including the limo driver managed to escape. claudia cowan live in san francisco. any further word on what caused all of this? >> reporter: jon, we're hoping a press conference later today will shed more light on what caused the fire that trapped five friends in the back of a limousine, a horrible tragedy on what should have been a night of celebration. these dramatic cell phone pictures show the 1999 lincoln town car engulfed in flames. there wasn't any accident. just this one car involved. happened saturday night around 10:00 p.m. on the san mateo bridge as the new bride, just 31 years old and her friends were heading westbound to a party near san francisco. officials say someone smelled smoke in the back and banged on the partition for the driver to stop. coring to the "san francisco chronicle" he mistakenly believed the women would asking whether they could smoke. by the time he pulled over to check out what was going