His claim of it being flattened caused the BBC to report that it was likely Israel who did it because they were the only ones who had ordinance powerful enough to level a hospital:
In the first story about the hospital on the BBC on Oct 17, correspondent Jon Donnison suggested Israel was behind the blast. Speaking shortly after 8pm on BBC News, he said: “It’s hard to see what else this could be, really, given the size of the explosion, other than an Israeli airstrike or several airstrikes.”