Avon and Somerset Police said "controlled explosions" have been carried out on a suspicious vehicle in the Fishponds area of Bristol.
The force tweeted:
Controlled explosions carried out on suspicious vehicle in #Fishponds & enquiries ongoing - we'd like to thank residents for their patience
More top news
The Indonesian police plane dropped out of contact and villagers have 'found police uniforms' in the sea.
The Post Office said it was 'business as usual' but unions said Saturday's industrial action was getting solid support.
A former German prisoner of war has left nearly £400,000 to a small Scottish village for the kindness shown to him during his captivity.