An in/out referendum on Britain's membership could be held as soon as this summer
US and Japan among countries to agree largest trade pact in two decades
US whistleblower pokes fun at former bosses on micro-blogging site
EU-brokered deals hailed as a 'big achievement' that could help reduce tensions between Serbia and its majority ethnic Albanian neighbour
Economic targets remain ambitious and the political situation is far from settled
An end to benefit tourism and protections for the City on the PM's shopping list as he heads to Brussels
With such differences in culture, politics and economics, should Turkey be allowed to join the EU?
A 'weird' electoral system, a 'barmy' prime minister and a party that sounds like an 'awful pudding'
The Italian coastguard has rescued at least 144 people from the Mediterranean, including babies
The simple matter of putting the clocks forward by an hour in spring has always sparked discord
Robert Mugabe is offered an economic 'olive branch' – but what exactly is going on in Zimbabwe?
Alexis Tsipras's Syriza party wins over voters with plans to reject austerity and cancel Greece's debt
A single unguarded comment by Merkel 'could torpedo Cameron's promised EU renegotiation'
Analysts estimate sanctions have cost Russia $140bn this year and Moscow's ultra-rich $51.4bn
Incursion could violate the peace treaty as Ukrainian troops prepare for combat operations in the east
The north-eastern region votes by 80% to leave Spain, in a ballot that Madrid has refused to recognise
Günther Oettinger refuses to apologise for saying people can't always be protected from their own stupidity
US and EU sanctions increase pressure on Moscow to withdraw support from east Ukrainian rebels
Leaders waiting to see if 'shaky' ceasefire holds, as Moscow threatens retaliatory measures