Morning mail: Russia faces unprecedented sanctions, worst flooding in history, IPCC warns on climate crisis

Tuesday: Rocket attacks killed dozens' of people in the eastern Ukrainian city of Kharkiv. Plus: UN issues bleakest warning yet' on global heating

Good morning. Today marks the fifth day of Russia's invasion of Ukraine, as countries and companies around the world boycott Russia. In Australia, more rain is set to prolong devastating floods in south-east Queensland, and the UN releases its latest and bleakest warning yet" on climate impacts.

Russian rocket attacks killed dozens" of people in the eastern Ukrainian city of Kharkiv as officials from both countries met for ceasefire talks, with Moscow facing unprecedented western sanctions that it said had created a new economic reality". The Elysee Palace said after a call between Emmanuel Macron and Vladmir Putin the Russian president was willing to commit" to ending attacks on civilians and civil infrastructure during the talks. Russia could receive backup from Belarus, who may be preparing to send its soldiers into Ukraine in support of the Russian invasion, according to a US defence official. Meanwhile, the Nigerian government has condemned the treatment of thousands of its students and citizens fleeing the war amid concerns that African students are facing discrimination by security officials and being denied entry into Poland. Companies have also condemned Russia, with Shell announcing it will exit its joint ventures with Russian state energy firm Gazprom a day after BP said it would offload its 20% stake in Kremlin-owned oil firm Rosneft, amid mounting criticism that the oil industry has helped empower Putin. Fifa and Uefa have also acted in unison to suspend Russian teams from international football competition.