President Vladimir Putin says Russia will strengthen its air defenses to counter recent Ukrainian drone attacks, which have reached deep inside his country and cast a cloud over his showcase economic forum in his hometown of St. Petersburg.

Zurab Tsereteli, a prominent Georgian and Russian sculptor known for colossal, often controversial, monuments, has died at 91.

A top Russian admiral has complained about increased NATO military activities near the country’s borders, describing them as a threat to regional security.