OREANDA-NEWS  Air defense systems have been activated over Crimea. Oleg Kryuchkov, adviser to the head of the republic on information policy, told about this in Telegram.

"Air defense systems are operating over Crimea. Stay calm," Kryuchkov wrote. He urged to trust information only from official sources.

Earlier it was reported that the Armed Forces of Ukraine attacked the Donetsk People's Republic. Two people became victims of these attacks, four more were injured.