Turkish government begins crackdown on those suspected of involvement in the attempted coup
President’s bureau puts total death toll at 265, including 161 civilians and 104 coup "plotters"
Nearly 3,000 soldiers are under arrest and some 2,700 judges are fired for alleged links to the coup
Turkey's PM Binali Yildirim says the action was a "black stain on Turkish democracy"
Cross-party politicians condemn the plot at an emergency session of parliament
Gulnur Aybet, head of the Department of Political Science and International Relations at the Centre for Security Studies at Bahcesehir University in Istanbul, tells the BBC World Service that the reasons for the coup's apparent failure are:
So here is an update on what we know:
The attempted coup became apparent on Friday evening when tanks were positioned on key bridges in Istanbul.
Armed forces were then seen in the capital Ankara a short time later and military jets started flying over the city.
A group - part of the army - then declared that a "peace council" now ran the country and there was a curfew and martial law.
Large explosions were heard near Istanbul's central Taksim Square and there were also reports of blasts at the parliament building in Ankara.
Broadcaster CNN Turk was also reportedly taken over by soldiers, and its live broadcast was cut.
President Erdogan made a statement on Turkish television using his iPhone and FaceTime, calling on people to take to the streets to oppose the uprising.
Huge crowds confronted the coup plotters and gunfire and explosions were heard. At least 60 people died in the exchanges.
The president has now returned to Istanbul, calling the coup attempt an "act of treason" and saying the army must be cleansed. He told crowds the government was now back in control.
Prime Minister Binali Yildirim ordered the military to shoot down aircraft being used by coup plotters.
At least 60 people have died, while more than 700 members of the armed forces have been detained.
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Rebel soldiers still control some military helicopters, but no fighter jets, a senior Turkish official has been quoted as saying.
The AFP news agency is reporting that 754 members of Turkish armed forces have been arrested for involvement in the coup, citing Turkey's state-run Anatolia news agency.
It quoted a Turkish official saying that 29 colonels and five generals had been removed from their posts.
Footage showed Turkish soldiers surrendering earlier on a bridge over the Bosphorus, in Istanbul.
Footage showed Turkish soldiers surrendering on a bridge over the Bosporus, in Istanbul.
Footage captures Turkish soldiers surrendering on a bridge over the Bosphorus, in Istanbul.
Read MoreReuters is now reporting it has received an emailed statement from a pro-coup faction of the military saying it is "determinedly still fighting".
Daylight has revealed tanks are still on the streets of Istanbul. Some appear to be abandoned, with police nearby and some members of the public taking photographs of them.
Image source, EPA
Image source, EPAReuters is reporting that a Turkish official has said at least 60 people have died and the justice minister has said 336 people have now been detained during the coup attempt.
Some more from President Erdogan when he addressed thousands of flag-waving supporters outside Istanbul's Ataturk Airport earlier.
He said: "They have pointed the people's guns against the people. The president, whom 52 percent of the people brought to power, is in charge. This government, brought to power by the people, is in charge. They won't succeed as long as we stand against them by risking everything."
AFP news agency tweets...
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An official with the Turkish president has said army F-16s jets have launched air strikes on tanks stationed by coup backers outside the presidential palace in Ankara.
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There are unconfirmed reports that Turkish authorities have shot down a military helicopter apparently operated by soldiers trying to stage a coup. The broadcaster CNN Turk said it had been firing on the offices of state satellite operator Turksat in Ankara.
More on those soldiers surrendering. Around 50 soldiers involved in an attempted military coup surrendered on the Bospherus Bridge, Reuters has said, adding that a witness earlier saw tens of other pro-coup soldiers surrendering to armed police in Istanbul's Taksim Square.
President Erdogan has said there remain "small disturbances" in the capital Ankara, Reuters is reporting.
Image source, CNN TurkFootage on Turkish television is showing a number of soldiers apparently surrendering on the Bosphorus Bridge, in Istanbul.
AP news agency tweets...
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Image source, CNN TurkCNN Turk is carrying footage of President Erdogan addressing crowds. Reuters is reporting that he has said the government is at the helm now and that it is clear who the people elected as their government and president. He has urged supporters not to leave public squares until the situation is resolved.
BBC journalist Rengin Arslan says that there is still a good deal of confusion about events around Turkey but that it had been a "gloomy picture".
'It was a nightmare for all of us'
The Turkish Ministry of Foreign Affairs has released a statement saying the attempted coup was carried out by a "clique within the armed forces" - adding that it had now been foiled. It says the "president and the government are in charge".
Quote MessageThe situation unfolded in Turkey was a coup attempt to overthrow the democratically-elected government. This attempt was foiled by the Turkish people in unity and solidarity. Our president and government are in charge. Turkish armed forces was not involved in the coup attempt in its entirety. It was conducted by a clique within the armed forces and received a well-deserved response from our nation.