David Cameron has pledged an in-out referendum on Europe in 2017, and says he will not lead the country if he cannot guarantee to provide the vote.
The prime minister's comments, made on BBC One's The Andrew Marr Show, suggest he would not lead a minority government should the Conservatives fail to secure a parliamentary majority at the 2015 General Election.
More top news
Witnesses told the court how they heard a child's voice crying "sorry", loud banging and a man screaming about the loss of a shoe.
Police looking for missing RAF airman Corrie McKeague have found "no trace" of him following extensive searches of a landfill site.
Forensic experts say the surrealist painter's famous moustache retained “its classic shape of ten past ten” as his body is exhumed .