Police carried out an “extensive search” after being called to reports of a concern for safety in Lynn yesterday evening.
Officers said they received the reports – related to the Hardings Way area – just before 7pm.
In the hours that followed, residents in and around Lynn reported seeing and hearing a helicopter with a searchlight flying over the area.
A Norfolk Police spokesperson said: “Emergency services attended and an extensive search was carried out but there was no evidence of anybody requiring assistance.”