Russian air defenses shot down two Ukrainian drones headed for Moscow on Friday morning, the city’s mayor, Sergey Sobyanin, said. He said emergency crews were dispatched to the site where debris from one of the drones fell,

There were no reports of any damage in Moscow on Sunday, but the Ukrainian attack led to a short-lived fire at the Azot chemical plant in the neighbouring Tula region, injuring two people, and seven drones were destroyed above the Kaluga region, regional governors said.

A spat over the latest planned prisoner swap escalated as the Kremlin and Kyiv exchanged accusations over an ongoing delay.