There was an attempted coup in Turkey on Friday.

Military officials backing the coup claimed initial success, but as events developed during the day Friday, the coup appeared to faulter and be on the verge of collapse.

We will have a full UPDATE at 10:30 a.m. Eastern on Saturday.

Here are the latest events on Friday. After returning to Istanbul airport, Erdogan appeared on television and proclaimed that he still was in control and the coup would fail:

Fighter jets shoot down helicopters with coup supporters:

Videos of detained coup soldiers are on social media:

Soldiers opening fire on people:

Erdogan gave an interview via FaceTime:

He may have tried to seek asylum in Germany:

Photo allegedly shows soldiers at state run TV:

Now reports that military officers took the military chief hostage:

Turkish armed forces have started releasing statements:

Military planes have flown low across Ankara with military personnel telling people to go home.