In an unfortunate incident, fire broke out in three bogies of Mumbai-Dehradun Express near Dahanu in Maharashtra's Thane district, early Wednesday. br br Reports suggest that five people, including 4 men and 1 woman have been killed in the fire. Many are said to be injured.br br The fire is believed to have erupted in one bogie and quickly spread to two other bogies, catching the passengers in their sleep, around 2.30 am Wednesday, a Western Railway official spokesperson said.