KHAIRPUR: As many as three persons were killed in road accidents on Monday due to fog-caused low visibility in and around Khairpur. According to detail, two youth, Aneel Kumar and Natak Mal were going on motorcycle to Khairpur from Ronhri when they hit a bridge. As a result, both the motorcyclists received serious injuries and died on the spot. In another accident, a tractor trolley hit a motor cycle due to low visibility on Khuhra link road killing one, Aijaz Ali mari on the spot.