The residents of eighty homes had to be moved out to safety as explosives experts was drafted in to blow up what's described as a suspicious item at a house.
Part of Warmley near Bristol was cordoned off. People were told to gather at a nearby supermarket cafe or relocate to the homes of family or friends.
A man's been arrested in Somerset in connection with the incident.
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Bristol Mayor George Ferguson has been accused of a "nasty personal attack" in a row over how the city's Green Capital cash was spent.
Bristol Mayor George Ferguson says there will be "further breakdown" of how the city's Green Capital cash was spent.