NEW : 2 people made it out alive , officials say . NEW : 1 person died in the crash and another was injured. NEW : It will be days before investigators can determine what happened , a fire official says .
NEW : 2 people made it out alive , officials say . NEW : Stamford Mayor Michael Pavia says Stamford has probably never had a worse Christmas Day . NEW : It will be days before investigators can determine what happened , a fire official says .