‘Act of revenge’ carried out against occupiers, says exiled mayor of Melitopol; Germany doubles Ukraine military aid to €8bn; Zelenskiy aide in Washington

See all our Ukraine war coverage

Large elements of the Wagner mercenary group have probably been assimilated into Russia’s Rosgvardiya national guard and resumed active treatment as of late October, the UK’s Ministry of Defence said on Sunday.

The latest intelligence briefing said Pavel Prigozhin, the son of the Wagner owner Yevgeny Prigozhin, who was killed in a plane crash in August, is likely to be leading the Wagner arm under Rosgvardiya.