Peter Hoskins & Charlotte EdwardsBusiness & technology reporters, BBC News•@edwardsclmReutersElon Musk's artificial intelligence start-up xAI says it is working to remove "inappropriate" posts made by its chatbot, Grok, after ...

American rapper Kanye West has been blocked from entering Australia over a song glorifying Nazi leader Adolf Hitler.Australia's home affairs minister Tony Burke revealed that his department had cancelled ...