Due to dense fog in Varanasi on Saturday, January 3, visibility may remain up to 50 meters. Due to this, drivers have been instructed to drive slowly on the highway. Apart from Banaras, Prayagraj, Gorakhpur, Mirzapur, Deoria of Purvanchal, there will be dense fog in Kanpur, Chitrakoot, Hamirpur, Unnao, Fatehpur on Saturday.