TWO ANTI-PERSONNEL MINES TRIGGERED BY SUSPECTED TAMIL TIGER REBELS KILLED TWO GOVERNMENT SOLDIERS AND WOUNDED ANOTHER IN SRI LANKA'S NORTH AND EAST ON SUNDAY, THE MILITARY SAID, IN CONTINUING VIOLENCE THAT THREATENS TO PUSH THE ISLAND NATION BACK TOWARD CIVIL WAR. ALSO, A 12-YEAR-OLD BOY WAS SHOT AND KILLED BY SUSPECTED REBELS FOR APPARENTLY REFUSING TO JOIN THE GROUP, THE MILITARY WAS QUOTED AS SAYING BY THE ASSOCIATED PRESS.