Fire officials are calling an early morning fire in Williamsbridge suspicious.Thirteen people, including eight firefighters, were injured in the blaze at 4052 Lowerre Pl. Witnesses tell News 12 The Bronx that people were fighting outside the home and that police were there twice before the fire began.According to one witness, firefighters rescued a woman and a baby that were trapped in the building. A fire chief says it appears something was used to accelerate the blaze.