India, March 22 -- Unidentified militants fired multiple rocket-propelled grenade (RPG) shells at a police commando camp in Assam's Tinsukia district in the early hours of Sunday, injuring at least four police personnel, officials said.

According to witnesses, the attack began around 2am and lasted for nearly 20 minutes. "At 2.01am we heard the first sound, followed by multiple blasts triggered by suspected mortars," an official present at the camp said.

The attack took place at the camp located near the 10th Mile area under the Jagun outpost of Lekhapani police station, a sensitive belt close to the Assam-Arunachal Pradesh border.

At least five RPG shells were fired at the camp, of which four reportedly exploded inside the camp, offic...