correspondent nick paton walsh is with the peshmerga forces. nick has the latest on the bombing from erbil. >> reporter: it is difficult to find out what was hit inside syria. one of our sources risked his life to tell us what he knows. the first report was known as the clinical hospital and other stadiums. those are names given to building s taken over by isis. and close to a source, these are headquarters and jails used by isis. you have to look at this targeting with a degree of