Around 1,800 people were arrested after nationwide protests saw outbreaks of violence and vandalism.

At least one person was killed in the strikes, which also hit a data centre used by Russia's equivalent of Facebook.

BBC News hears from users, dealers, prison and recovery workers as the country battles with a deadly new drug epidemic.

The Israeli military condemns the violence but the prime minister's office says it is part of a "smear" campaign.

Officials have not given a cause or death toll, citing the "very active and delicate" situation at Canadian Forces Base Wainwright.

The US president temporarily ends many restrictions on Moscow recently passed by Congress over "national security" concerns.