Guwahati, Feb 17 (IANS) Three children and a woman, from the same family, were injured when a bomb stashed inside a schoolbag in their backyard exploded in Goalpara district of Assam Thursday, police said.

The schoolbag was lying in the backyard of the family’s home in Goalpara town. On noticing the bag, the family tried opening it, leading to the explosion. Goalpara is about 180 km west of Guwahati.

Preliminary police investigations say some militants might have left the bag in view of stepped up security in the area.