Doctors without borders wants to know why aerial bombardments blew apart its hospital in after zban stan killing patients and care gives inside. plus the pope is leading the opening mass for a nearly month long meeting with church leaders. it comes a day after the vatican fired a priest who announced he was in a gay relationship. we ll go live to rome. the father of the shooter who killed nine people in oregon talks to cnn about gun control in the u.s. and opens up about his heartache. hello, welcome to our viewers in the u.s. and around the world. i m lynda kinkade and this is cnn newsroom. we ll begin in afghanistan where the u.s. is investigating a deadly air strike.