- Ukraine calls on civilians in the eastern region of Luhansk to flee immediately
- Its governor, Serhiy Gaidai, warns that Russia is "amassing forces for an offensive" there
- Russia is stepping up their offensive in eastern Ukraine after withdrawing from the north
- It is also believed to have reorganised its military leadership in Ukraine, with Gen Alexander Dvornikov given overall charge
- Western officials say the general has extensive experience of Russian operations in Syria
- UK PM Boris Johnson visited Ukraine on Saturday and held a meeting with President Volodymyr Zelensky in Kyiv
- Downing Street announced several new financial and military aid packages to help Ukraine, following the surprise visit
- Ukrainian officials say ten humanitarian corridors to evacuate people from regions being besieged by Russian forces have been agreed for today
- The proposed corridors include one for people to escape from the shattered port city of Mariupol