Russia

Tactical nuclear weapons are a 'permissible' step in Russian doctrine, so threatened use is serious but not inevitable

Deputy defence ministers face a grilling in parliament for failing to equip and clothe called-up reservists

Moscow has raised the stakes by formally seizing Ukrainian territory, though it may limit the extent of its claims

New EU sanctions introduce a price cap on maritime oil shipments from Russia

Talk of a peace treaty looks unrealistic as Azerbaijan exploits Russia's absence from 'managing' the South Caucasus

Moscow says it is taking over management of Ukraine's Zaporizhia nuclear plant

The Kremlin spokesman says Russia's annexation claim is limited to the land it now occupies

French military support for Ukraine has been the weakest among the main Western countries