At least 12 soldiers were injured in an explosion at an army camp in Pulwama, Jammu and Kashmir on Saturday.

The incident was a result of an "accidental" grenade explosion, while the jawans were training, the Press Trust of India reported.

The blast occurred at the 15 Corps Battle School in Khrew in Pulwama district, ANI news agency reported.

At least seven of the 12 jawans were reported to be in a critical condition. They have been airlifted to the 92 Base Hospital at Badamibagh Cantonment in Srinagar, PTI reported.

The cause of the blast is being investigated.