United Nations Secretary General Antonio Guterres has called on rich nations to accelerate their shift to "net zero" emissions. Video: Reuters
Putin discusses dangers of nuclear war after D. Strangelove screening
Ahead of the women's Six Nations, Ireland have changed the colour of their shorts to combat period anxiety and England are discussing whether to follow suit.
It would be "unacceptable" if China were to position itself as a peacemaker in Ukraine by promoting a ceasefire, says US national security adviser John Kirby.
Russian state media has reported that President Vladimir Putin has paid a surprise visit to the Russian occupied Ukrainian port city of Mariupol.
Johnny Sexton and Andy Farrell speak of a memorable Six Nations campaign and a historic day for Irish rugby, beating England at home to take the Grand Slam.