limo on fire kills bride

A bride to be was having a bachlorette party and her a 8 of her friends were tacking a limo to the party. On their way there the limo caught fire while they were crossing the San Francisco bridge. The driver and and 4 of the friends got out and lived and the bride and the other 4 friends died in the fire. People that were on the bridge that seen this said the flames were huge and people that were in their cars could feel the heat from the fire. They say the driver wasn't injured but the 4 girl that go out were treated for smoke inhalation. They don't know what caused the fire yet. they say in will take two days to examine and determine the cause. the limo company are 'very saddened' and trying to help as much as they can. 

http://www.cnn.com/2013/05/05/us/california-limo-fire/index.html?hpt=hp_t2