Three workers have been injured after a tank exploded at an auto-repair workshop in Ajman old industrial area. The explosion happened while welding sparks scattered in the area. The civil defence operations room was alerted and firefighters were immediately dispatched but there were no flames on site. They evacuated the workshop and rushed the injured workers to Khalifa Hospital The Ajman Police is investigating the area to find the cause of the explosion. afkarali@khaleejtimes.com