Sept. 12 (UPI) -- The U.S. Treasury has sanctioned nearly three dozen people and firms, accused of being part of a massive fundraising, smuggling and weapon-procurement network for the Iran-backed Houthi rebels. The network of 32 people and firms blacklisted Wednesday is located in Yemen, China, the United Arab Emirates and the Marshall Islands, and are accused of being Houthi-associated companies, their owners and key Houthi operatives. The Treasury said those targeted finance and facilitate