Kabul , Afghanistan ( CNN ) -- Pakistani and Afghan forces clashed Thursday near the border of the two countries in a gun battle that left at least one Afghan border policeman dead , an Afghan official said . Zia Durrani , a spokesman for the police chief of the southern Afghan province of Kandahar , said Pakistani forces attacked Afghan police checkpoints on the border early Thursday morning . He said that the gun battle between the two sides in Maroof district was still going on , but that the first hour was very intense . The Pakistanis were using light and heavy machine guns , Durrani said . The Pakistani military did n't immediately respond to calls from CNN seeking comment . Drone strike kills at least 10 militants near Afghan-Pakistani border . Rockets , gunfire herald start of Taliban 's spring offensive in Afghanistan .
An Afghan border policeman was killed in a shootout at a checkpoint . Pakistani troops stormed the border , an Afghan police official says .