Nigeria Air Strike Error Kills Dozens in Refugee Camp

A Nigerian military jet has mistakenly bombed a camp for displaced people in the north-east, killing at least 52 people and injuring many more. Aid workers are among the dead in Rann, with the Red Cross saying six of its employees were killed. The MSF aid agency said that over 200 people had been injured and appealed for help with medical evacuations.

President Barack Obama has commuted Chelsea Manning's sentence for leaking documents to Wikileaks in 2010. The 29-year-old transgender US Army private, born Bradley Manning, will be freed on 17 May instead of her scheduled 2045 release. She was sentenced to 35 years in 2013 for her role in leaking diplomatic cables to the anti-secrecy group.

Theresa May has said the UK "cannot possibly" remain within the European single market, as staying in it would mean "not leaving the EU at all". The PM promised to push for the "freest possible trade" with European countries and warned the EU that to try to "punish" the UK would be "an act of calamitous self-harm".