At least seven people have been killed while many more sustained injuries in an explosion at a firecracker godown in Tamil Nadu on Monday, officials informed.

According to the officials, a massive fire broke out at around 10:20 pm following the explosion in Vetriyur Viragalur in the Ariyalur district of Tamil Nadu.

After receiving information of the incident, the Ariyalur district collector J Anne Mary Swarna and district superintendent of police (SP) K Feroze Khan Adullah reached the scene.

Meanwhlie, those injured in the incident were immediately rushed to a local government hospital and are receiving treatment there, police officials said.

An investigation has been launched into the matter and further information regarding it are awaited.