Ukraine's air force reported an overnight Russian attack involving more than 100 drones, as Russia's President Vladimir Putin rejected Ukrainian President Volodymyr Zelensky 's proposal of an immediate 30-day ceasefire.

Ukrainian President Volodymyr Zelensky on Sunday challenged Russia’s President Vladimir Putin to meet him personally in Turkey on Thursday, the latest move in a weekend-long exchange of proposals from both sides on the next steps in the US-led peace effort.

Kyiv accused Moscow of breaching its own ceasefire on Thursday, saying Russian forces struck hundreds of times along the front lines and launched guided bombs that killed and wounded civilians in several Ukrainian cities.