MILITARY OFFICIALS ARE PROBING TWO CLASHES IN WHICH AFGHAN CIVILIANS AND POLICE MAY HAVE BEEN KILLED BY U.S.-LED COALITION FORCES, AUTHORITIES SAID MONDAY. THE U.S. MILITARY HAS LAUNCHED AN INQUIRY INTO SATURDAY'S DEATHS OF SEVEN AFGHAN CIVILIANS AFTER AMERICAN FORCES USING AIRCRAFT AND ARTILLERY BATTLED MILITANTS IN A HOUSE AND A CAVE COMPLEX IN EASTERN AFGHANISTAN'S KUNAR PROVINCE, WHICH BORDERS PAKISTAN. THE CANADIAN-LED MILITARY IN THE SOUTHERN KANDAHAR PROVINCE ALSO SAID IT WAS INVESTIGATING WHETHER "FRIENDLY FIRE" WAS RESPONSIBLE FOR CASUALTIES SUSTAINED BY AFGHAN POLICE DURING FIERCE FIGHTING FRIDAY AGAINST TALIBAN FORCES. AFGHAN AUTHORITIES SAID 41 TALIBAN MILITANTS AND SIX AFGHAN POLICE WERE KILLED DURING THE FIGHTING IN SANGISAR, 40 KILOMETERS (25 MILES) SOUTHWEST OF KANDAHAR CITY, A FORMER TALIBAN STRONGHOLD.