Uruguay, the only South American country to take in detainees from the U.S. military prison at Guantanamo, said Monday it will not accept any more.

"No more Guantanamo prisoners are going to come. That's final," Foreign Minister Rodolfo Nin Novoa told journalists.

Unknown gunmen killed a Syrian young man Monday in the restive northeastern border town of Arsal, in the latest such attack in less than a week.

“Two unidentified assailants riding a motorbike opened fire at Syrian national Ali Ibrahim Kbar, who hails from the Syrian town of al-Jarajeer that is adjacent to Arsal,” state-run National News Agency reported.

Prime Minister Benjamin Netanyahu apologized publicly on Monday for saying Arab Israelis were voting in "droves" in election day comments that drew condemnation, including from the United States.

"I know that my statements last week offended some Israeli citizens and members of the Arab Israeli community. That was never my intention. I apologize for that," he said during a meeting with Arab Israelis that was broadcast by television channels.

U.S. Secretary of State John Kerry will return to Switzerland for talks Thursday on a deal to restrain Iran's nuclear program, five days before a deadline to reach the outlines of an agreement.

Kerry's office said Monday he would meet his Iranian counterpart Mohammad Javad Zarif in Lausanne for the next stage in talks between the so-called "P5+1" world powers and Iran.

Boko Haram appears to have been weakened by a sustained regional fight-back but there are growing fears the group could target vulnerable people displaced by the violence, as elections approach.

More than 13,000 people have been killed in the bloody six-year insurgency, with some 1.5 million more forced to flee their homes within Nigeria and abroad.

Jordan and other members of the U.S.-led coalition targeting the Islamic State jihadist group are to train fighters belonging to "Syrian tribes", the Jordanian government spokesman said on Monday.

"Jordan and other nations in the coalition and in the region will jointly train... Syrian tribes to fight against the terrorist bands," Mohammad al-Momani said at a news conference.

The presidential vacuum and the deadlocked institutions are impeding 166 million euros ($182 million) in French development aid to Lebanon, a French minister said on Monday. 

"There are 166 million euros waiting until Lebanon's institutions are operating normally and are capable of dealing with different situations, as well as the speedy election of a president," French Development and Francophony Minister Annick Gerardin said.

Progressive Socialist Party leader MP Walid Jumblat on Monday warned the minority Druze community of Syria against being dragged into the Syrian regime's “war of killing and destruction.”

“The regime's policies that are based on turning regions and sects against each other are aimed at inflaming the fire of strife and prolonging the conflict,” Jumblat cautioned in his weekly editorial in PSP-affiliated al-Anbaa newspaper.

The Islamic State jihadist group claimed responsibility Monday for an attack on police in south Yemen that left 29 dead, in a sign of its growing activity in the turbulent country.

IS issued the claim in an online statement attributed to its branch in Lahj province, after a Sanaa branch said it was behind multiple suicide bombings Friday at Huthi Shiite mosques that killed 142 people.

An Israeli court on Monday sentenced an Arab citizen to 11 months in prison for traveling to fight alongside Syrian rebels in Israel's war-torn neighbor.

Several Arab Israelis have been arrested after returning from Syria, where armed opposition to President Bashar Assad is now dominated by jihadists, including the Islamic State group.