In Istanbul explosion under a flyover

Four people were injured in the explosion under a flyover, which forms the highway D-100, which connects Ankara and Istanbul. As noted by NTV, at the moment it is unclear who planted the device.

According to Reuters, the affected people were injured by metal pieces of the exploding device. At the moment it is unclear what condition they are in.

Highway near which the explosion occurred, was temporarily closed. Subsequently, the movement on it was restored.