The approval rating of President Enrique Pena Nieto has sunk to 30 percent, a "historic low" for a Mexican head of state, according to a poll published on Wednesday.

The survey published by Reforma newspaper showed that Pena Nieto's popularity fell by nine percentage points since the last poll conducted in December.

Croatia's President Kolinda Grabar-Kitarovic on Wednesday demanded the EU implement a clear policy on migrants as she and two other Balkan heads of state visited a flashpoint area on the Greece-Macedonia border.

"EU should be clear in its policy towards migrants and take care of those who have the right to asylum, who are fleeing war," Grabar-Kitarovic said after visiting a reception center in Gevgelija on Macedonia's southeastern border with Greece.

Philippine militants that want to ally with Islamic State jihadists have beheaded two local hostages, police said Wednesday.

Spanish police said Wednesday they had detained a Frenchman suspected of heading a weapons trafficking ring that supplied arms to one of the jihadists that killed 17 people in Paris in January 2015.

In a statement, police said Antoine Denevi, a 27-year-old from a small town in northern France, was detained on Tuesday in the southern Malaga area after Paris issued a Europe-wide arrest warrant.

Brothers Khalid and Ibrahim El Bakraoui, the suicide bombers who hit Brussels last month, obtained the weapons and explosives for those attacks and for November's carnage in Paris, the Islamic State (IS) group said Wednesday.

The English-language edition of the jihadist group's magazine Dabiq says of Khalid El Bakraoui: "All preparations for the raids in Paris and Brussels started with him and his older brother Ibrahim.

A Lithuanian national has been sentenced to 13 years in prison for spying on Moscow, Russia's security service said on Wednesday.

Yevgeny Mataitis, who also has Russian citizenship, was arrested in the Russian exclave of Kaliningrad last year for allegedly sharing military intelligence with Lithuania.

German Chancellor Angela Merkel has no plans to travel to Turkey this week to inaugurate a new center for Syrian refugees, her spokesman said Wednesday, despite a previous announcement by Ankara.

The clarification by the spokesman, Steffen Seibert, about the trip announced last week by Turkish Prime Minister Ahmet Davutoglu comes amid soaring tensions over a vulgar satirical poem by German TV comic.

At least three people were killed and six others wounded in a blast at a busy livestock market in Somalia on Wednesday, a security officer said.

The blast, the latest in a string of attacks in the war-torn Horn of Africa nation, took place in the busy Afgoye district, some 30 kilometers (20 miles) south of the capital Mogadishu.

Turkish President Recep Tayyip Erdogan this week welcomes dozens of leaders to Istanbul for a summit aimed at overcoming splits in the Islamic world despite doubts over Ankara's ability to narrow divisions between Muslims.

Beijing has summoned top diplomatic representatives from the Group of Seven nations to express anger at their statement on the South China Sea, the foreign ministry said Wednesday.

"China summoned the diplomatic envoys of relevant countries," foreign ministry spokesman Lu Kang told a regular press briefing, without elaborating.