Turkey and the United States have started training moderate Syrian rebels on Turkish territory to prepare them to fight Islamic State (IS) militants, the Turkish foreign minister said on Tuesday. 

The U.S.-led program to equip and train Syrian rebels on Turkish territory has started "with small groups" after months of delays, Mevlut Cavusoglu was quoted as saying by the official Anatolia news agency. 

A female candidate from Turkey's main opposition party running in next month's parliamentary election was wounded in a gun attack Tuesday, as concerns grow over the levels of violence ahead of the poll.

Elif Dogan Turkmen, standing for the Republican People's Party (CHP) in the southern province of Adana, was on her way to a breakfast gathering with businessmen in Cukurova district when she was shot three times, provincial governor Mustafa Buyuk said.

President Recep Tayyip Erdogan on Monday accused the New York Times of meddling in Turkey's affairs with a critical editorial, angrily telling the U.S. daily to "know your place."

In a growing controversy over media rights in Turkey ahead of June 7 legislative polls, Erdogan blasted an "impolite" editorial in the New York Times last week which he said "literally gave orders to the United States."

Bulgaria, Greece and Turkey agreed on Monday to set up a common border police and customs center to combat a surge in illegal migration.

"This agreement guarantees closer cooperation of the three countries that face one and the same challenges... migration, organized crime and terrorism," Bulgaria's Interior Minister Rumyana Bachvarova said after a signing ceremony in Sofia.

Greek investigators were to question Monday a Syrian caught trying to sneak tens of thousands of bullets into Turkey, a police source said. 

The 28-year-old man was detained over the weekend at the Kipi customs post in Evros, the northernmost part of Greece, after police foud parcels of bullets concealed in special caches in his car. 

At least 11 Turkish police officers were injured in clashes with Islamist demonstrators in the Kurdish-majority southeast who were protesting the death sentence given by an Egyptian court to former president Mohamed Morsi, the provincial governor said Saturday.

The protesters had gathered outside a mosque in the Diyarbakir province following Friday prayers and read out a statement denouncing the verdict, chanting "God is great", an Agence France Presse photographer said. 

Turkish authorities have detained and then deported a French national who arrived in the country seeking to join jihadists in Syria, an official said Friday.

The man, identified only as B.T., had landed Thursday night at Sabiha Gokcen airport in Istanbul on a flight from Milan, the Turkish official, who asked not to be named, told AFP.

Twin bomb attacks on the offices of Turkey's pro-Kurdish People's Democratic Party (HDP) were carried out by a militant linked to an ultra-leftist group, Turkish Prime Minister Ahmet Davutoglu said Thursday.

Davutoglu said a suspect had been identified as having links to the Revolutionary People's Liberation Party-Front (DHKP-C) although no one has been arrested over the attacks on Monday on HDP's regional headquarters in the southern cities of Adana and Mersin. 

An Ankara court on Thursday fined one of Turkey's top newspapers for insulting President Recep Tayyip Erdogan in a column, as tensions between government and media grow ahead of June 7 elections.

The court deemed that the August 25, 2014 column by one of the star commentators on the Hurriyet daily, Mehmet Yilmaz, was an "attack on the personal rights" of Erdogan.

General Security chief Maj. Gen. Abbas Ibrahim is expected to visit Istanbul this week to meet with Qatar's envoy who is mediating the release of Lebanese servicemen taken captive by jihadists, al-Mustaqbal newspaper reported on Thursday.

His trip would come after encouraging signs emerged following the meeting of the crisis cell on the fate of the soldiers and policemen who were taken hostage by al-Qaida-linked al-Nusra Front fighters from the northeastern border town of Arsal in August last year.