The group said in a statement that its fighters carried machine guns, grenades and assault rifles during the hour-long gunbattle, but that none of the militants were hurt.
Researchers say the idea is to replace explosives in small hand grenades with a certain variety of red chilli to immobilise people without killingthem.
High-rankers in this clan love to don military trappings, such as medals, eagle-wing or axe cap-badges, binoculars, monocles, and bandoliers festooned with grenades.
The three officers died as they chased militants who had earlier attacked a police station with hand grenades, sniper guns and automatic weapons near Peshawar.
At the same time, the firing of mortars, artillery and rocket-propelled grenades by separatist rebels along the front line roughly doubled the level of the previous two days, the Ukrainian Ministry of Internal Affairs said.
You are listening to the world news from the BBC. At least 2 people have been killed by a grenade attack at a refugee camp in Kenya housing hundreds of thousands of Somalis.
And back in Britain in 1943 it was her character rather than her skills or physical abilities that got her through her training in grenade throwing, silent killing and parachute jumping.
This morning, when the PLO claimed responsibility for the grenade attack in Jerusalem, the statement was made from the Cairo office. Fizo Awada, the PLO representative, was interviewed on Cairo radio.