Bosnian Serb leader Milorad Dodik was summoned on Monday by state prosecutors to a hearing over a controversial referendum held at the weekend despite a constitutional court veto.

The EU is preparing to suspend sanctions against Colombia's FARC rebel group as soon as it signs a historic peace deal with the government later Monday, European sources said.

Spain's Socialist leader on Monday stood by his refusal to let conservative acting Prime Minister Mariano Rajoy form a new government despite heavy losses for the center-left party in regional elections.

Russia on Monday sought to deflect blame over the downing of Malaysia Airlines flight MH17, accusing Kiev just days before the results of a Dutch criminal probe into the mass-killing are released.

A Philippine passenger jet heading to Japan was forced to turn back Monday after smoke was detected in the aircraft, while the wheel of a second plane caught fire after it aborted taking off from a separate airport, an aviation official said.

Ten members of the Turkish security forces were killed in two separate attacks in southeastern Turkey on Monday blamed on the outlawed Kurdistan Workers' Party (PKK), local media reported.

Two soldiers and two village guards -- locals employed to combat Kurdish militants -- were killed and six others wounded in a roadside bomb attack in Mardin province, the state-run Anadolu news agency reported. 

Boris Johnson on Monday made his first visit to Turkey as Britain's foreign minister, months after leading the successful "Brexit" campaign that played on anti-Turkish sentiments.

Lithuania said Monday it is in talks to buy Norwegian anti-aircraft missile systems to address the defense gap on NATO's eastern flank, amid concerns over Russia.

U.S. Energy Secretary Ernest Moniz, an architect of the 2015 Iran nuclear deal, rejected Monday complaints from Tehran that Washington had not met its side of the bargain.

Fidel Castro appeared in state-run media Monday for the third time in less than a week, which is extremely rare for the father of the Cuban revolution.

Castro, 90, who ceded power to his brother Raul in 2006, received visiting Chinese Prime Minister Li Keqiang at home on Sunday.