The taxi driver, who gave a lift to the attacker, is being questioned by police, the Hurriyet newspaper reported.
The suspect behind the terrorist attack at Reina club in Istanbul took a taxi to the scene. The nightclub Reina in the Besiktas district was attacked by a man in a Santa Claus costume, who was talking in Arabic. The attacker is said to have opened fire from a Kalashnikov assault rifle. At least 39 people were killed, including 16 foreigners, and 69 injured as a result of the attack, according to the Turkish Interior Ministry.