A metro train derailed in Istanbul, Turkey, resulting in at least three injuries. Passengers were forced to evacuate the train and walk through the tunnel on the tracks to reach the nearest station. Video footage of the incident has been circulating online, showing passengers navigating the dark tunnel. The cause of the derailment is currently under investigation by authorities. Emergency services responded to the scene to provide medical assistance and facilitate the evacuation. No fatalities have been reported at this time, and the extent of the injuries remains unclear. Transport services in the area have been temporarily disrupted following the incident.