KABUL (AFP) Three foreign soldiers have been killed in southern Afghanistan, NATOs International Security Assistance Force (ISAF) said in separate statements on Wednesday. One soldier was killed in an insurgent attack on Wednesday while the second died as a result of an improvised explosive device on Tuesday. Both happened in the militant-hit south of the country. The third soldier was killed in an insurgent attack in eastern Afghanistan on Wednesday. No further details were released in line with ISAF policy. The deaths bring to 633 the number of foreign troops killed in Afghanistan so far this year, according to an AFP count based on the independent icasualties.org web site, which tracks coalition fatalities.