The incident happened after a hearing of the case on stories published about Turkish intelligence services involved in transporting weapons to Syria.
The assailant came up to Dundar when he was speaking with journalist and fired at least two shots at him. Dundar managed to escape unharmed.
"You're a traitor!" — the shooter is said to have screamed during the incident, Hurriyet Daily News said.
Police standing nearby immediately intervened and arrested the assailant. In the immediate aftermath of the attack it was revealed that another reporter, Yagiz Senkal, was wounded during the attack.