Three people have been killed and 35 taken to hospital following an attack by Ukraine on a factory in the city of Izhevsk - more than 1,000km (620 miles) from the border, Russian authorities say.

A Russian drone strike killed a married couple overnight in Ukraine’s southern city of Odesa, local authorities said, as the country’s security service claimed it destroyed Russian helicopters and an anti-aircraft missile system in occupied Crimea.