Police have discovered some material which was thought to be explosive when they searched for a suspect in an outbuilding at Bitterne Triangle in Southampton.
The incident happened around 11.30pm last night. A bomb disposal unit was called in to deal with the material.
A police spokesperson said the incident is isolated and involved no risk to the public.
A 28-year-old Southampton man was arrested on suspicion of making an explosive substance. He remains in custody at Southampton Central police station.
More top news
Manali has Friday morning's forecast for the west of the Meridian region.
Manali has Friday morning's forecast for the east of the Meridian region.
The schools attended by two teenagers killed with their parents when their seaplane crashed in Canada have paid tribute to the pair.