Three people were detained after making a bomb prank in a station on Istanbul's Kadıköy – Kartal metro line during peak hours on Friday evening, causing huge panic and even some passengers to faint.Eyewitnesses said that three suspects, believed to be under 18, started waiting for the train bound for Kartal direction in Ünalan station, one of the busiest of the line due to its intersection with Istanbul's metrobus system. Two suspects got on the train, while another shouted "bomb" and "Allahu Akbar" and dropped a bag into the train while the doors were closing.As the train started moving, the incident caused huge panic in the wagon. The train stopped at the next station and two suspects were handed to police by the subway security.A basketball was found in the bag thrown into the wagon.Following the testimonies in police station, the third suspect who dropped the bag was also detained.The suspects will be tried for causing fear and panic in public in accordance to the Turkish Penal Code.