Armed police responded to reports of "shots being fired" on a residential street.
Residents took to social media to express worry over armed police being seen on and around Archer Road in the Ely area of Cardiff on Friday afternoon.
A helicopter was also seen flying low near to Windsor Clive Primary School. Residents reported the aircraft had been circling for half an hour by 2pm up to Llewellyn Avenue.
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Residents on Archer Road and Stanway Place said police walked past their homes with guns and shields, while another said they witnessed a dog handler approach a home.
A spokesperson for South Wales Police said: “Officers responded to a report received shortly after 1.10pm this afternoon concerning allegations of shots being fired in the area.
“A search was made by officers and the police helicopter. No-one was located, there are no reports of any injuries.
“Firearms officers were deployed as a precaution.”
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