Seven children were injured, three of them seriously, in an explosion near a garbage dump in Bihar's Bhagalpur district on Tuesday, a senior police officer said.

Senior Superintendent of Police (SSP), Bhagalpur, Anand Kumar told PTI that the blast took place in Khilafat Nagar locality, under the jurisdiction of Habibpur police station, of the town and the children appeared to have inadvertently fiddled with an explosive substance.