In Uttar Pradesh, at least 10 people have been killed and several others injured today in an explosion in a firecracker factory at Rampur village in Maharajganj district. AIR Lucknow correspondent reports that the blast took place this morning and three adjoining houses collapsed due to the impact of the blast. The deceased were buried under collapsed houses. The Police have reached the spot and rescue operations are on. Some of the injured who have been hospitalized are stated to be in a critical condition.