US, Afghan forces come under 'direct fire' in eastern Afghanistan: US official

US and Afghan troops came under "direct fire" in eastern Afghanistan late Saturday, a US military official said, in an incident that apparently caused multiple casualties."A combined US and Afghan force conducting an operation in Nangarhar Province was engaged by direct fire on Feb. 8", US Forces-Afghanistan spokesman Colonel Sonny Leggett said in a statement.In the past, US forces have been targeted in so called "insider" attacks -- where Afghan security forces target international soldiers wit