Thus saith the LORD God of Israel, Behold, I am bringing such evil upon Jerusalem and Judah, that whosoever heareth of it, both his ears shall tingle. 21:12
Seems suspicious, doesn't it? Especially when you consider how much God hated Benhadad. God killed Ahab and his family for not killing Benhadad. Maybe Hazael did the job for God when he smothered him. 8:7-15