Sonic boom-like sound leaves residents baffled as authorities say no RAF craft in vicinity

Norfolk residents have been left perplexed after the sound of an explosion rattled the county.The bang – which many suspect to have been a sonic boom – was heard at around 12.30pm yesterday in places including Lynn, Downham, Marham, South Pickenham, Wretton, Shouldham, Nordelph, Upwell, Stow Bridge and even as far as March.“I thought a lorry had gone through my house,” one Facebook user commented.

Another added: “I thought it was going to take my doors off.”Despite this, a spokesperson for the Ministry of Defence has said there were no reports of RAF Fast Air aircraft in the vicinity, however, enquiries are still ongoing.