ANKARA (Sputnik) – Unknown shooters opened fire at the Okmeydan district at two officers patrolling the area near a local sports complex, according to HaberTurk television.
Search operations are ongoing for two unidentified males, wearing black and white shirts and backpacks.
Turkey has seen a surge in violence this week, including the suicide bombing in the border town of Suruc that killed 32 and injured 100 more on Monday.
Over 600 people affiliated with the Islamic State jihadist group have been arrested across Istanbul in raids involving 5,000 law enforcement officers.
On Friday, the Turkish Air Force carried out its first airstrikes against ISIL targets in Syria.