An Ukrainian drone attack sparked a fire at an oil depot in Sochi, the Russian resort that hosted the 2014 Winter Olympic which is 400 kilometres (250 miles) from the

An overnight Ukrainian drone attack on an oil depot near Russia's Black Sea resort of Sochi sparked a major fire, Russian officials said Sunday, as the two countries traded strikes and the Ukrainian president announced a prisoner exchange.

On Sunday, Ukraine attacked an oil depot near Russia's Black Sea Sochi resort, while Russia launched 76 drones and seven missiles against Ukraine. The reciprocal attacks concluded one of the deadliest weeks in Ukraine in recent months,