Afghan children run as a NATO helicopter takes off with a container in the outskirts of Kabul, Afghanistan, Saturday, Nov. 7, 2009. More than 25 ISAF and Afghan National Security Force personnel were killed or wounded during a joint operation that involved multiple engagements over several hours Nov. 6, 2009 in Western Afghanistan, a NATO spokesman said. (AP Photo/Anja Niedringhaus)AP – U.S. and Afghan authorities investigated Saturday whether a botched NATO airstrike was to blame for the death of Afghan soldiers and police during a search for two American paratroopers missing in a Taliban-infested area of the country’s west.