An explosion in Abu Dhabi has sparked fears of a possible terror attack after two blasts were reportedly heard in the city. Residents were reportedly spotted fleeing the city centre while police arrived at the scene. TwitterEmergency services rushing to the scene[/caption] Images from the scene appear to show a building on fire with eyewitnesses claiming it was a missile that was fired at around 8.45pm. An eyewitness said: “Urgent! Explosion in Abu Dhabi. Suspect that a missile would have hit the city.” Other footage from the scene shows police and emergency services rushing at the scene.