In this picture released by the Tasnim News Agency, miners and rescue personnel carry an injured mine worker after a coal mine explosion, near Azadshahr in northern Iran, Wednesday, May, 3, 2017. Iranian state media said Wednesday that a large explosion struck the coal mine, trapping dozens of miners and killing at least two. Ambulances, helicopters and other rescue vehicles raced to the scene on Wednesday in Golestan province as authorities worked to determine the scale of the emergency. (AP Photo/Tasnim News Agency, Mostafa Hassanzadeh)