How tough will the new voting rules be?
Usain Bolt wins his first race of the year in Europe, but fails to break 20 seconds in the 200m at the Golden Spike meet.
A genetically engineered version of a virus that normally causes cold sores shows real promise for treating skin cancer, say researchers.
A former Petrobras executive was sentenced in Brazil to five years in prison for money laundering.
The conflict in Ukraine is entering its second year and a ceasefire, nominally in place since February, has failed to stop the violence in areas around Donetsk airport.
Will Gompertz is at the unveiling of the Barenboim piano in London.
He has a link to James Bond but prefers his pint neither shaken nor stirred - meet new England cricket coach Trevor Bayliss.
Voters in the UK's EU referendum will be asked to choose Yes if they want to remain in the union or No to leave, the BBC understands.
Extreme weather has been wreaking havoc in the US, where 16 people have been killed by storms in Oklahoma and Texas.
The death of Jeffrey Spector reignites the debate about assisted dying in the UK.
Heavy gunfire and a series of explosions are reported in a guesthouse popular with foreigners in the Afghan capital, Kabul.
Northern Ireland's controversial Welfare Reform Bill has failed to pass at Stormont after failing to win the support of nationalist parties.
A handgun used in the murder of a senior IRA man in Belfast was from eastern Europe and "extremely rare", police have said.
Barristers in Northern Ireland withdraw from all new criminal cases requiring legal aid in protest against new rules reducing the level of payments.
The Irish government agrees to sell its 25% stake in Aer Lingus to IAG, the owner of British Airways.
Libyan Prime Minister Abdullah al-Thinni says he has survived an assassination attempt after his car was attacked by gunmen in the eastern city of Tobruk.
A US court rules President Obama's plans to protect almost five million illegal immigrants from deportation must stay on hold.
Shadow business secretary Chuka Umunna says he does not rule out one day running to lead the party - but hopes a vacancy does not arise.
A senior member of the Qatar royal family has warned that Muslims are being "dehumanised" by the coverage of violent extremism in the Middle East.
The UK will not be part of any EU plan to relocate thousands of African migrants currently in Italy and Greece, the international development secretary says.