A bomb exploded in a flat in Bahadurpur Housing Colony area here but there was no report of any casualty, a police officer said.

Senior Superintendent of Police Jitendra Rana said while a bomb exploded at the flat last night, two other live bombs were timely defused by the police.

The explosion caused panic among the residents of the area, he said. Station House Officer of Agamkuan police station Vinay Sharma said the flat in which the explosion took place was under illegal possession of a youth.

Investigation was on.