Search was issued for five people in connection with the day - long fire . Two weeks earlier , Mexican officials announced they had ordered the arrests of 14 people who worked at the warehouse . Forty - eight people died in fire ; 14 were hospitalized . Fire started in air - conditioning unit in building , officials say .
Search was issued for five people in connection with the day - long fire . Forty - eight people died in fire ; 14 were hospitalized . Fire started in air - conditioning unit in building , officials say .