billions of people are at immediate risk of the effects of global warming — the un's warning as they release a landmark report that finds humans are to blame for climate change. the un says at least 27 children have been killed in afghanistan amid fierce fighting between the taliban and government forces, as the militant group continues to seize ground. the us has confirmed that its sending its envoy, zalmay khalilzad, to qatar to hold talks over three days to try to bring an end to the current taliban offensive. prince andrew is being sued in new york by virginia roberts giuffre, one ofjeffrey epstein�*s alleged victims. in a statement, ms giuffre said her civil suit lays out in detail how she was trafficked to prince andrew and sexually abused by him. prince andrew has flatly denied all of the allegations against him. 0ur north america correspondent