WASHINGTON, May 15 -- The U.S. Department of Homeland Security's Immigration and Customs Enforcement issued the following news release: * * * ICE arrests Russian national smuggling biological material into Boston BOSTON -- U.S. Immigration and Customs Enforcement arrested a Russian national on criminal charges for allegedly attempting to smuggle clawed frog embryos and embryonic samples into the United States. Kseniia Petrova, 31, a Russian citizen, was charged by criminal complaint with on  more