Former Philippine President Rodrigo Duterte said he takes full responsibility for his administration's "war on drugs", in a video message posted on his Facebook account, as he braces for a legal battle at the International Criminal Court.

The bold campaign Ukraine launched last summer to seize and occupy Russian territory appears to be nearing an end.

Ukrainian forces have pulled almost entirely out of the Kursk region of Russia, ending an offensive that had stunned the Kremlin over the summer with its speed and audacity.