5 NATO Troops Killed in Afghan Helicopter Crash As identities of Americans killed last week are revealed By Newser Editors and Wire Services Posted Apr 26, 2014 5:24 AM CDT 2 comments Comments Afghan National Army (ANA) helicopters are pictured in Kabul military airport, Afghanistan, Monday, Feb. 24, 2014. (AP Photo/Massoud Hossaini) (Newser) – Five NATO troops died in a helicopter crash in southern Afghanistan today, the US-led military coalition said. The coalition said in a statement it was investigating the circumstances of the crash but gave no other information. The nationalities of those killed were not released, citing its policy that home countries should identify their casualties. The deaths bring to seven the number of international troops killed in Afghanistan this month. Also today, an Afghan university official identified the two Americans killed in a shooting at a Kabul hospital earlier this week. The vice chancellor of Kabul University, Mohammad Hadi Hadayati, named the two as health clinic administrator Jon Gabel and his visiting father, Gary. Hadayati said that Jon Gabel's wife was wounded in the attack Thursday saw that an Afghan police security guard open fire as the family entered the grounds of Cure International Hospital. The Gabel family was visiting pediatrician Dr. Jerry Umanos of Chicago, who was also killed in the shooting.