Karachi- At least 37 people were injured three separate road accidents in Karachi and on its outskirts, officials said today. Police and rescue officials said a fast-moving bus overturned in NIPA Chowrangi late on Saturday, injuring four passengers. In another incident, at least eight people were wounded in a road accident in Ghagar Phatak area of Karachi. Moreover, at least 25 passengers were injured when an overloaded bus turned upside down on the Coastal Highway in industrial town of Hub near Karachi. Several vehicles collided with the upside down due to over-speeding. The injured, including women and children with broken limbs, were shifted to different hospitals in Karachi.