KABUL , Afghanistan ( CNN ) -- NATO-led troops killed 12 insurgents in a firefight Friday in Afghanistan , and a civilian caught in the crossfire was apparently killed by militants , NATO 's International Security Assistance Force said . U.S. Marines fire 120mm mortars on Taliban positions on April 3 in Now Zad in Helmand province , Afghanistan . The incident occurred south of Kabul in the eastern Afghan province of Logar , when Afghan security forces and ISAF troops were conducting an operation . It comes as NATO members meet in Europe to discuss the fight against the Taliban and al Qaeda in Afghanistan and Pakistan , and as human rights groups this week urged NATO and the U.S. military to avoid civilian casualties and develop a well-coordinated condolence payment system for civilians victimized in the war . Troops saw a large group of insurgents placing a roadside bomb . The militants retreated to a compound and attacked ISAF troops with small arms . Troops surrounded the compound and urged them to surrender peacefully after it was cordoned off . It also asked the people in the compound to release women and children but no civilians left . Troops assaulted the compound and 12 male insurgents were killed in gunfire . Troops found one woman who was killed in the crossfire by insurgent small arms fire , ISAF said . An investigation is being conducted by Afghan National Security Forces at the site . Initial indications show that the woman was killed by insurgent small arms fire . Eight AK47 rifles , two rocket propelled grenade launchers , several rocket canisters , 82mm mortars , and two heavy machine guns were found in the compound . `` ANSF and ISAF are making significant progress against insurgent groups in Logar province who are involved in murdering civilians with IEDs , '' said Brig . Gen. Richard Blanchette , ISAF spokesman . `` Today 's firefight illustrates the difference between ISAF troops who risk their lives to protect civilians , and insurgents who deliberately and tragically place civilians at risk . '' Also , ISAF reported the death of a soldier from the NATO-led force Friday in eastern Afghanistan . The soldier died of wounds and another was injured after what was described as a `` hostile incident . '' `` On behalf of the men and women of the International Security Assistance Force , I offer our heartfelt condolences to the loved ones of the brave soldier killed , and our support to the soldier wounded in this incident , '' Blanchette said . `` As we recognize their sacrifice in our battle against a vicious insurgency , we will continue supporting the Afghan National Security Forces so that the Afghan people reap the tangible benefits of peace in their day-to-day lives . '' Overnight in the southern Afghan province of Helmand , troops killed four militants in an operation targeting a mid-level Taliban commander responsible for attacks against Afghan civilians and coalition forces . The commander directed attacks in December in Musa Qala , including one that killed 12 Afghan civilians .
Afghan forces investigating death of woman caught in crossfire of gunbattle . NATO says 12 militants also died in the battle in Logar province . NATO said initial indications are the woman was killed by militants .