Oil prices surged on Thursday after a raging wildfire near Canada's oil sands region curbed output that mainly flows to the United States, before settling off their highs as a rebounding dollar and a huge U.S. stockpile build cut into gains.

• May 4, 2016

Rebel fighters launched an assault in Syria's divided northern city of Aleppo on Tuesday and fired rockets on a hospital, in the latest violence to hit civilians as diplomats struggled to restore an unraveling ceasefire and resurrect peace talks.

• May 3, 2016

The United Nations mediator on Syria said moribund peace talks on the conflict could soon be resumed if a faltering truce were extended to the city of Aleppo, something the Russian foreign minister said he hoped would be announced within hours.

• May 3, 2016

Negotiations meant to enshrine U.S. defense aid for Israel over the next decade have snagged on disputes about the size, scope and fine print of a new multibillion-dollar package, officials say.

• May 3, 2016

Two Ukrainian energy companies have asked a U.N. arbitrator to award them compensation for investments they lost when Russia seized control of the Crimean peninsula, the Permanent Court of Arbitration (PCA) said on Monday.

• May 2, 2016

Talks on concluding Greece's bailout review to unlock new funds and debt relief are progressing only slowly and no deal is likely at a special meeting of euro zone finance ministers on May 9, two sources close to the talks said on Monday.

• May 2, 2016

Washington and Moscow said on Monday they were working hard to extend a truce in Syria to Aleppo, the divided northern city where a sharp escalation of violence in recent weeks has left a ceasefire in tatters and torpedoed peace talks.

• May 2, 2016

Turkish Prime Minister Ahmet Davutoglu said on Saturday around 20 Syrians had been readmitted to Turkey under an EU migrant deal designed to help stem migration to Europe across the Aegean Sea.

• April 30, 2016