Kseniya Petrova was returning to the US from a trip to France when officials revoked her visa and detained herA Russian scientist from Harvard Medical School has been detained by US Immigration and Customs Enforcement, according to her friends and colleagues.On Wednesday, Cora Anderson, a friend and colleague of Kseniya Petrova, shared the news of Petrova’s detention on Facebook, saying the Russian scientist arrived at Boston Logan international airport on 16 February from a trip to France when she was stopped by US authorities. Continue reading... ...read more read less