Three doctors of a Medicines Sans Frontiers (MSF) hospital were killed as an air strike targeted the MSF medical facility in Afghanistan's northern Kunduz city on Saturday, the MSF said in a statement. "Three MSF staff are confirmed dead and more than 30 are unaccounted after (MSF) trauma center in Kunduz was hit at 2:10 a. m. local time on Saturday (2140 GMT Friday) several times during sustained bombing and was very badly damaged," the statement said. The medical team was working around the clock to do everything possible for the safety of patients and hospital staff, the statement said....