A Russian scientist affiliated with Harvard Medical School, Kseniia Petrova, has been detained by U.S. Immigration and Customs Enforcement (ICE) after returning from a trip abroad. The detention, which occurred at Logan Airport in Boston, is linked to allegations of smuggling undeclared frog embryos, as well as her outspoken opposition to the Ukraine war, which has raised concerns about her safety if deported back to Russia. Friends and colleagues fear she could face arrest due to her anti-war views. The situation highlights the ongoing struggles faced by international researchers in the U.S., especially those who dissent from governmental policies.