Iran Press/Asia: A Turkish official said that the crash was caused by a collision with another train.
First images from the scene show vast amount of debris around the rail track and heavily damaged train cars at the scene of the crash that happened on Ankara-Konya route, Iran press reported.
Local emergency services, fire and National Medical Rescue teams (UMKE) have been dispatched to the scene of the incident, which occurred around 6:40 am Thursday morning.
The incident happened at the Marsandiz station when part of the overpass crossed by the express fell on top of the wagons, Anadolu News agency reports.
As a result, at least two cars of the high-speed train were derailed.
The wounded have been transported to local hospitals by ambulances, while on-site rescue work continues.
Turkey has had a number of deadly train crashes over the years. In July, 24 people were killed after a train derailed en route to Istanbul.
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