Soldiers attacked Tamil Tiger rebels in Sri Lanka with tanks, mortars and artillery in fighting that killed 23 guerrillas and seven soldiers, the military said Sunday. Troops backed by helicopter gunships pushed across northern front lines Saturday and destroyed eight rebel bunkers, said military spokesman Brig. Udaya Nanayakkara. The fighting killed 10 rebels and four soldiers, he said, adding that another 10 soldiers were wounded. On the same day soldiers and rebels nearby fought separate gun battles that killed 10 guerrillas and two soldiers, Nanayakkara said. In other fighting army troops destroyed a rebel bunker and killed three guerrillas on the northern Jaffna peninsula, he said. __
