A new front in the war in Afghanistan.<br/> <br />Three American soldiers are killed by an Afghan worker at a military base in southern Afghanistan Friday night.<br/> <br />It marks a grim 24 hours in Afghanistan coming just after three US forces were killed by an Afghan policeman earlier in the day.<br/> <br />A police chief in Helmand province says it is a new tactic by insurgents.<br/> <br />(SOUNDBITE) (Pashto) MOHAMMAD QASIM, POLICE CHIEF OF POLICE DISTRICT ONE IN LASHKAR GAH, HELMAND PROVINCE, SAYING:<br/> <br />"The enemies are trying to drive a wedge between Afghan security forces and Americans, by enrolling their personnel into police or army forces."<br/> <br />NATO Brigadier General Gunter Katz does not see a trend.<br/> <br />(SOUNDBITE) (English) BRIGADIER GENERAL, GUNTER KATZ, SPOKESMAN ISAF; SAYING:<br/> <br />"Let me clearly say that those incidents clearly do not reflect the overall situation in Afghanistan."<br/> <br />There have been 26 such attacks on foreign troops since January -- that compares with 21 attacks in all of 2011.
