A judge in Massachusetts has ordered Harvard researcher Kseniia Petrova released from custody as she faces charges related to the alleged smuggling of frog embryos.

Kseniia Petrova, a scientist and Harvard University researcher from Russia, was detained by immigration authorities and held in federal custody.

A federal judge ordered that Kseniia Petrova — a Harvard Medical School researcher who was detained by Immigrations and Customs Enforcement in February – be released from criminal custody on ...

A federal judge ordered the release of Kseniia Petrova, the Russian-born Harvard scientist who another federal judge previously said was unjustly detained by customs officials. At a June 12 ...

A federal judge ordered the release of Kseniia Petrova, the Russian-born Harvard scientist who another federal judge previously said was unjustly detained by customs officials. At a June 12 ...

A customs official at Boston’s Logan International Airport detained Petrova on Feb. 16 and subsequently revoked her J-1 visa.