At least 12 soldiers were killed and 40 others wounded Thursday in a car bomb attack on a paramilitary convoy along a key highway in Indian-controlled Kashmir, security officials said.

Senior police officer Muneer Ahmed Khan said the attack occurred as the convoy reached Pampore on the outskirts of the disputed region’s main city of Srinagar. He said one bus was destroyed and at least five other vehicles were damaged by the blast.

A paramilitary official said the destroyed bus was carrying at least 35 soldiers.

Authorities blamed rebels fighting against Indian rule for the attack.

Read more: AP