It said a total of six people had been detained in connection with the attack in the Yenibosna neighbourhood, several kilometres from Istanbul Ataturk Airport, the country's largest airport.
Forensic officers work at the scene of a blast near a police station in Istanbul on October 6, 2016
Turkish police have captured a Kurdistan Workers Party (PKK) militant whom they suspect carried out a "motorbike bomb" attack on Thursday that wounded 10 people near an Istanbul police station, the state-run Anadolu Agency said on Friday.