Three children were killed and several others injured in an explosion near a primary school in upper Assam's Tinsukia district today.
The cause of the explosion, which took place at Kharjan pool area of Digboi town in the evening, is yet to be ascertained, police said.
Army and police personnel have rushed to the spot and the area has been cordoned off.
The injured children have been sent to hospitals.
Police have not ruled out the involvement of some militant outfits in the explosion and investigation into the incident is on.