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.
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Investigation underway into whether a man was killed by a meteorite, which if confirmed would be the first recorded death-by-space rock.
Government to press ahead with plans to allow local councils to extend trading hours on Sundays.
Police used pepper spray and batons to break up a large crowd of protesters in Hong Kong - the worst street violence since 2014.