Iran on Sunday dismissed as "meaningless" U.S. accusations it was behind drone attacks on Saudi oil installations, suggesting Washington was seeking a pretext to retaliate against the Islamic republic.

Regime and Russian fire has killed at least six civilians in northwestern Syria's Idlib province, a war monitor said Saturday, two weeks after Moscow declared a ceasefire in the jihadist-dominated region.

Six Emirati troops have been killed in a "collision," the United Arab Emirates said Friday, without elaborating or offering a location or time for the incident that comes after the federation of sheikhdoms began pulling out of a Saudi-led war in Yemen.

Details about what happened remained vague, with the state-run WAM news agency citing the General Command of the UAE Armed Forces for the information. However, Yemeni officials speaking to The Associated Press said the troops were killed in a road crash in southern Yemen.

Drone attacks sparked fires at two Saudi Aramco oil facilities on Saturday, the interior ministry said, the latest such assault claimed by Yemeni rebels as the energy giant prepares for a much-anticipated stock listing.

Barhoum Saleh's town is surrounded by Jewish settlements, the sign above his roadside mechanic shop is in Hebrew, most of his customers are Israeli and he needs an Israeli permit to visit the beach a half hour's drive away.

But unlike his Jewish neighbors, he can't vote in next week's elections.

Kuwait says its ruling 90-year-old emir has left a U.S. hospital after having "successful checkups" that forced him to cancel a visit to the White House.

The state-run KUNA news agency reported early Friday that Sheikh Sabah Al Ahmad Al Sabah's checkups "showed reassuring results."

Tunisia will hold on Sunday its second free presidential election by universal suffrage since the 2011 uprising that toppled an autocratic regime, with growing uncertainty over who will reach the next round.

Washington's top envoy for Syria rejected Thursday an allegation put forward in a U.N. report that some U.S.-led air strikes in the conflict-torn country could possibly be categorized as indiscriminate attacks, amounting to "war crimes."

The U.N. Security Council on Thursday unanimously adopted a resolution renewing its mission in Libya for another year and pledging to support struggling efforts to build a ceasefire in the war-torn country.

King Salman reiterated Saudi Arabia's condemnation of the Israeli prime minister's pre-election pledge to annex part of the West Bank, in a phone call Thursday with Palestinian President Mahmoud Abbas.