Ok you asked your best friend to ask your ex bf if he still likes you and he just got mad now he wont talk to you what happen?

I think it could be one of two things. Either your best friend is upset at you for trying to put him in the middle of you and your ex-bf or he happens to have a crush on you but is too shy to tell you in fear of ruining the friendship you have but feels hurt because you still have feelings for you ex. but there is no way to know for sure until you ask him yourself what is bothering him. good luck