At least four persons were killed and about 40 injured in two separate accidents involving four passenger trains amid dense fog near Kanpur within an hour early today. DIG, Kanpur, B P Jogdand said four persons were killed and at least 40 others were injured when the Bhiwani-Gorakhpur Gorakhdham Express hit the stationary Prayagraj Express at Panki railway station in Kanpur district at around Nine this morning. PRO of North Central Railway (Allahabad) Amit Malviya said, the Delhi-Allahabad Prayagraj Express was at the station when the Gorakhdham Express hit it from behind in dense fog. The last coach of the Prayagraj Express badly damaged due to the impact of the collision. Senior BJP leader Murli Manohar Joshi, who was travelling to Allahabad on the Prayagraj Express, was unhurt, railway sources said. In another accident, the Delhi-bound Licchavi Express rammed into the stationary Magadh Express at Sarai Bhopat near Etawah at around Eight this morning. The driver of the Licchavi Express was seriously injured as the engine of the train ploughed into the Delhi-Islampur Magadh Express in foggy conditions. A relief team from Kanpur was rushed to the site. Our Lucknow correspondent reports that senior officers of railway and administration have reached to the spot to monitor relief and rescue work. Help line numbers opened at Allahabad are 05322408149, 0532 2408128 and 0532 2407353. Numbers working at Kanpur are 0512 2323015, 0512 2323016 and 0512 2323018 while Gorakhpur help line number is 0551 2204893. Telephone Number 011 23341074 and 011 233412954 are working at New Delhi.