Turkish military says it's taken control

We claim our republic and our democracy; protect our belief absolutely. "Everyone shall know that the Republican People's Party (CHP) is devoted to the constant of our democracy, that is the free will of our citizens".

"I will be at the squares as well either in Istanbul or Ankara", Erdogan said in remarks delivered later on NTV. Two other tanks and a military vehicle were stationed in front of the VIP terminal. Facebook declined comment, but Twitter said it suspected "intentional" interference with its service.

A Reuters witness heard a loud explosion at Ataturk Airport.

Reuters reporters saw a helicopter open fire in Ankara.

He added that he did not believe that the "coup plotters" would be successful and that he would be returning to Ankara.

Troops take control of state media: Turkish state broadcaster TRT was taken over by a faction of the military that was part of the coup attempt. "As Turkish people, we need to be distant to all kinds of interventions risking our national unity and integrity", he said. Reports said that flights into the airport had been halted. The studio is now being emptied.

The United States called on all parties in Turkey to support President Tayyip Erdogan's government against a coup attempt on Friday as world leaders expressed concern about the upheaval in a North Atlantic Treaty Organisation member country that bridges Europe and the Middle East.

"Go to the streets and give them their answer", he told residents during a Facetime interview on CNN Turk.

German-Turkish relations have come under increasing strain in recent months, with Berlin criticising Ankara's tough line against dissenting journalists and the country's Kurdish minority. "This was done from outside the chain of command", he said. He said the lower officers had rebelled against senior officers.

Erdogan, who was vacationing on the coast, reached out to CNNTürk by telephone shortly after the coup leaders announced they had seized control of the country.

"So long as you love the people sincerely and deeply, people will love you", Erdogan told CNN in March. The military has a history of mounting coups to defend secularism, but has not seized power directly since 1980.

Greek Prime Minister Alexis Tsipras, whose nation also neighbours Turkey, has meanwhile expressed his "support for the democratically elected" government following the attempted coup, a government source said early Saturday.

U.S. President Barack Obama urged all sides in Turkey to support the democratically elected government. He said he and his firm "have attempted repeatedly to warn the USA government of the threat posed" by Gulen and his movement.

In the first hours of the coup attempt, airports were shut and access to internet social media sites was cut off.

US Secretary of State John Kerry said he hoped for "peace and continuity" in Turkey while Russian Foreign Minister Sergei Lavrov, speaking at a joint press conference in Moscow, called on Turkey to avoid all "bloodshed". A coup against the democratically elected government could make it hard for the United States to continue to cooperate with Turkey.

"Call for restraint and respect for democratic institutions", she tweeted from an EU-Asia summit in Mongolia.

Turkey is host to important USA and North Atlantic Treaty Organisation military facilities.

"I am following events in Turkey closely and with concern".

British government advised nationals: A statement from the British Foreign Office said, "we are concerned by events unfolding in Ankara and Istanbul. We are monitoring a very fluid situation".

U.S. citizens in #Turkey should shelter in place & stay indoors.

Turkey is also one of the main backers of opponents of Syrian President Bashar al-Assad in that country's civil war, host to 2.7 million Syrian refugees and launchpad a year ago for the biggest influx of migrants to Europe since World War Two.

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