President Biden has authorised Ukraine to use US long-range missiles to strike inside Russia. Also: the AI technology that's cloning voices, and we meet Miss Merkel, the Miss Marple of German Television.

Singapore has some of the harshest drug laws in the world and the government. Trafficking illegal narcotics can result in decades in prison and even a death sentence. But do they really deter drug crimes? The Global Story brings you trusted insights from BBC journalists worldwide, one big story...