Russian troops

The Canadian government is imposing sanctions on dozens of Russian military officers whose troops are accused of committing atrocities against Ukrainian civilians.

Foreign Affairs Minister Mélanie Joly says Canada will help investigate sexual violence by Russian troops against women and girls in Ukraine.

Russian troops left the heavily contaminated Chernobyl nuclear site early Friday after returning control to the Ukrainians, authorities said, as residents in parts of eastern Ukraine braced for renewed attacks and awaited blocked supplies of food and other humanitarian relief.