Over a million people gathered in a show of strength from the Turkish president.
Turkish police have asked citizens to report people who “support terrorism” as government critics warn of possible human rights abuses.
“Let’s hang them!” chanted crowds in Ankara’s central Kizilay square late on Saturday.
A bloody battle for power has left parts of Turkey in ruins.
Hundreds are dead and thousands arrested the day after a failed coup plunged Turkey into chaos.