WASHINGTON (Reuters) – More than ninety former business partners of ATT Inc are demanding the Federal Communications Commision block the wireless carriers $48.5 billion bid for DirecTV, saying the company engaged in anti-competitive behavior and violated fiduciary duty. In a filing with the FCC, the partners operating under the Minority Cellular Partners Coalition, accuse ATT of squelching competition and knowingly harming its business partners. ATT did not immediately respond to requests for comment. (Reporting by Marina Lopes, Editing by Franklin Paul)