Reuters

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  Syria's neighbours now host 4 million of its refugees, says UN

  Most refugees from four years of war are in Lebanon, Jordan, Iraq, Egypt and Turkey.

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  Greece's 'stark reality': Five days left to save it from ruin

  "The final deadline ends this week," European Council President Donald Tusk told a news conference.

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  Chancellor George Osborne to set out plans to slash welfare spending

  This afternoon will see the first Conservative budget in nearly 20 years.

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  Francis on climate change: 'We can no longer turn our backs on reality'

  Pope Francis said on Tuesday that protecting the planet was no longer a choice but a duty.

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  US to increase support for Syrian opposition

  Barack Obama has pledged to increase US support for the moderate opposition in Syria's civil war.

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  Dreaming of a better life: The migrants who believe Britain's roads are paved with gold

  For the few who make the crossing from Calais, that expectation may be wide of the mark.

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  Greece on the rack as France and Germany hold their ground

  Athens must move quickly if it wants to avoid crashing out of the single currency.

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  Heavy fighting as Iraqi forces try to surround Falluja

  Iraqi Shi'ite fighters and army troops made gains north of Falluja on Sunday but their efforts to seal off Islamic State militants in the city met heavy resistance, including suicide bomb attacks, army sources and militia fighters said.

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  Nigeria: Suicide bomber kills six in church attack

  A suicide bomber killed six people at a church in northeast Nigeria on Sunday at the end of a week in which suspected Boko Haram insurgents killed more than 200 people.

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  Greeks defy Europe with overwhelming referendum 'No'

  Greek soverwhelmingly rejected conditions of a rescue package from creditors on Sunday, throwing the future of the country's euro zone membership into further doubt and deepening a standoff with lenders.

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  Egypt claims 25 Islamist militants killed in air strikes

  Egyptian warplanes killed 25 Islamist militants in North Sinai on Saturday, security sources said, as the Egyptian president visited the province after a major escalation of the conflict there.

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  'The solution, with God's help, is close,' Iraqi army tells Mosul residents

  Iraqi jets dropped leaflets over Mosul telling residents that Islamic State fighters would soon be driven from the northern city, saying details of the operation would be broadcast on a new radio station.