Curfew-like restrictions is still being continued in parts of Srinagar city and north and south Kashmir areas as tension gripped the valley on Saturday.
With the death of another teenager Arif Ahmad Dar, 18, in Army firing on Friday in Kupwara district, the toll in the five-day long unabated violence has risen to five.
A senior police official said a violent crowd attacked the counter insurgency Rashtriya Rifles (RR) camp in Natnusa area of Kupwara district on Friday evening.
"The mob attacked the RR camp in Natnusa (Kupwara) and despite dozens of bullets fired in the air to warn them, the protesters mounted the wall of the camp and tried to enter it.
"In order to protect their lives and the weapons and ammunition inside the camp, soldiers fired hitting four protesters. One of the protesters has died and the injured are being tried in the hospital."
Authorities said 60 people, including 40 security men, were injured in clashes in north Kashmir.
Violence also spread to other areas of the valley, including Baramulla town and other parts of central and north Kashmir.