At least two passengers have died and 13 others have sustained injuries as their passenger coach overturned due to dense fog in Kot Khalifa area on the National Highway. The official sources in the police and Punjab Emergency Service Department, Rescue 1122 said that a passenger coach loaded with passengers was on its way from Karachi to Bhakkar when it overturned near the Bhalka bridge in the Kot Khalifa area on the Karachi-Lahore national highway. “As a result of the accident, two passengers died on the spot and 13 others suffered critical wounds,” they said, adding that two of the injured were told to be in very serious condition.