During a phone call tonight with Secretary of State John Kerry, President Obama said that the democratically elected government of Turkey should be supported, according to a statement from the White House.
The president and Kerry also agreed that "all parties" should "show restraint, and avoid any violence or bloodshed."
The president's remarks come just as 17 police officers were reported killed in a helicopter attack on their headquarters on the outskirts of the Turkish capital, Ankara.
We encourage U.S. citizens to shelter in place and do not go to the U.S. Embassy or Consulates at this time.
U.S. officials have been warning Americans about possibly dangerous conditions in Turkey for months. In late June, the Department of State warned U.S. citizens of "increased threats from terrorist groups throughout Turkey and to avoid travel to southeastern Turkey."
That warning followed a "worldwide caution" about increased extremist activity in Europe issued in March that specifically cited the possibility of terrorists targeting large events.
Later that same month, family members of U.S. government personnel in Adana and Izmir province were ordered to leave until July 26.
Loud explosions have been heard in Turkey's capital Ankara and CNN-Turk reports an explosion occurred at the state-run television building.
Turkey's state-run news agency report military helicopters have also attacked the headquarters of TURKSAT satellite station on the outskirts of Ankara and the Ankara Police headquarters.
Dozen of tanks were seen moving toward a palace that is now used by the prime minister and deputy prime ministers. A civilian car tried to stop one of the tanks, but it rammed through the vehicle as those in the car escaped.
Friday’s coup attempt in Turkey took U.S. intelligence officials by surprise, a U.S. official said. But intelligence analysts have been concerned for months about simmering tensions between President Recep Tayyip Erdogan and Turkish military brass as Erdogan has consolidated and expanded his power, the official said, speaking on the condition of anonymity to discuss internal assessments.
The Turkish military sees itself as a protector of moderate and secular institutions in Turkey, the official said, and Erdogan has recently been moving more aggressively to silence dissent inside the country, expand his control of the courts and clamp down on freedom of the press.
In March, the Turkish government raided the Istanbul offices of the largest-circulation opposition newspaper, Zaman. Columnists critical of the government have been fired in response to government pressure, and reporters have been imprisoned on terrorism charges.
Hours after a military coup got underway in Turkey, hundreds of nationalists took the the streets of the capital city of Ankara. The impromptu marchers waved Turkish flags, and chanted "God is Great" as they walked toward the prime minister's office along Atarurk Boulevard.
A substantial explosion, gunfire and fighter jets overhead could be heard from the street.
One marcher described the situation in Turkey's capital city as a "mini war between TSK and the police."
Jul. 15, 2016, 3:14 p.m.
I don't believe this coup attempt will be successful. There is absolutely no chain of command here. Right now the chain of command has been put on hold.
Turkish President Recep Tayyip Erdogan to CNN, via Facetime
Turkish military officials said they seized control of the country "to reinstall the constitutional order, democracy, human rights and freedoms, to ensure that the rule of law once again reigns in the country, for the law and order to be reinstated."
The military statement went on to say that "all international agreements and commitments will remain. We pledge that good relations with all world countries will continue."
Elected officials have acknowledged that a coup had been attempted but said they remained in power.