蜜芽传媒

President Volodymyr Zelensky says Ukraine will immediately begin prosecuting war crimes allegedly committed by Russian troops.

One group gathering evidence there is Human Right's Watch - we'll hear live from their lead researcher.

Also we hear from the second city of Kharkiv, where there has been more shelling.

And why Sri Lanka's entire cabinet has resigned en masse after protests over the government's handling of the worst economic crisis in decades.