Published: May 17, 2010 12:52 PM EDT

      ANKARA, Turkey (AP) - Authorities say an explosion at a coal
mine in northern Turkey has trapped at least 15 workers
      The blast took place Monday at the Karadon mine near the Black
Sea port town of Zonguldak. Turkey's coal mine agency said rescue
workers were trying to reach the workers below the surface.
Engineer Husnu Unal says eight other workers were rescued.
      There was no word on the cause of the blast.