Health and safety appeared to get in the way of Boris Johnson's plans for a high-rise photo-op on Friday, after his offer to "shimmy up a pole" to help staff fit fibre network wires was denied. br br During the visit to CityFibre training facility in Stockton-on-Tees, the prime minister was told "you haven't got the kit on", to which he replied, "I have!". Report by Buseld.