A major Mexican financial institution is suing the U.S. Attorney’s Office in Miami, alleging the government seized $11 million in accounts in Miami and London without cause or going through the proper procedure.

Casa de Cambio Puebla filed suit July 12 in U.S. District Court in Miami. According to the suit, the U.S. government seized and froze money Puebla has in accounts with Wachovia Bank, including 650,000 euros it has in a London account. Puebla alleges the government has not filed a civil forfeiture action.