Iran has condemned as a "savage terrorist crime" twin car bomb attacks which killed 43 people and injured dozens in a small Turkish town near the Syrian border, media reported on Sunday.

The state broadcaster's website quoted Deputy Foreign Minister Abbas Araqchi as saying that "confronting terrorism is the duty of all countries".

The U.S. ambassador to Turkey strongly condemned the "vicious attack" in a small Turkish town near the Syrian border Saturday that killed at least 40 people and wounded 100 more.

"On behalf of the United States, I offer our deepest condolences to the families and friends of the dozens of victims of today's murderous attack in Reyhanli," Francis Ricciardone said in a statement.

At least 41 people were killed and 100 injured Saturday when two explosive-laden cars blew up in a small Turkish town near the Syrian border, as Ankara swiftly pointed the finger at Syria.

In the wake of the bombing, the deadliest attack in Turkey since the beginning of the conflict in neighboring Syria, Turkish Interior Minister Muammer Guler revealed to national TRT television that the people and the organization who carried out this attack have been identified.

Turkish police have boosted security around Patriarch Bartholomew I after an alleged plot to assassinate the Orthodox Christian leader, his office said Saturday.

A spokesman at the patriarchate in Istanbul said they had been informed that one person had been arrested and that others were being sought.

General Security chief Maj. Gen. Abbas Ibrahim on Friday confirmed that “positive steps have been made over the past hours” in the case of the abducted Lebanese pilgrims, noting that the issue is on “the right track.”

Meanwhile, LBCI television quoted Ibrahim as saying that he would visit Syria soon for talks over the abductees.

Turkish Prime Minister Recep Tayyip Erdogan has told an American television channel he believes Syria has used chemical weapons, crossing a "red line" set out by U.S. President Barack Obama.

"It is clear the regime has used chemical weapons and missiles," Erdogan told NBC News on Thursday, without providing details on when or where they were used.

Turkish Ambassador Inan Ozyildiz slammed on Friday the sit-ins held by the relatives of the nine abducted pilgrims in Syria's Aazaz since May last year.

The diplomat considered in comments published in An Nahar newspaper that the families of the abducted men “crossed the limits.”

Burkina Faso's foreign minister collapsed and fell off a platform on Thursday during a live press conference in Ankara with Turkish counterpart Ahmet Davutoglu.

Djibrill Bassole wobbled and fell to the floor, knocking down a stand in front of him, while Davutoglu was responding to a journalist's question.

Turkey's foreign minister said on Thursday that Turkish authorities were conducting blood tests on wounded Syrian refugees to assess whether their injuries had been caused by chemical weapons.

"We will keep on carrying out tests on each and every injured Syrian," who has fled to Turkey, Ahmet Davutoglu told reporters in Ankara.

The families of the nine abducted pilgrims in Syria's Aazaz since May last year briefly blocked on Thursday the road near the Turkish cultural center in downtown Beirut amid heavy security deployment.

The Internal Security Forces had earlier deployed near the the Turkish Cultural Center, which is adjacent to the Turkish Airlines offices, in al-Azarieh building.