One soldier has been killed in a mine explosion in northern Sri Lanka, the military says. The mine attack targeted a group of soldiers on foot patrol near the town of Vavuniya on Wednesday, defence spokesman Prasad Samarasinghe said. The army said the attack was similar to ones carried out by separatist Tamil Tiger rebels. Violence has spiralled in Sri Lanka in recent months claiming about 700 lives and undermining a 2002 truce. Full Story