As climate change makes the Arctic more navigable, Russia hopes its expanding nuclear icebreaker fleet will secure its supremacy.

After nearly 30 years at sea, a Russian icebreaker captain has seen firsthand the changes wrought by global warming.

Russia's prison service on Monday moved the hunger-striking Kremlin critic to a medical facility at another colony in the same region. 

Among those detained was Anastasia Vasilyeva, Navalny's personal doctor and head of the Alliance of Doctors medical trade union.