Hundreds of people were evacuated from London's Oxford Circus underground station by armed police on Friday night.
Users on social media described people 'running away from the underground station', as well as people 'screaming and running into shops'.
However, after attending the scene police said they received just one report of a woman sustaining a minor injury when leaving the station, and police have now 'stood down'.
Following unconfirmed eye-witness reports of gunfire, police said they did not locate any trace of any suspects, evidence of shots fired or causalities.
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Met Police said they had 'responded as if the incident was terrorist related' following the reports of gunfire.
In a statement, they said: "At about 16:38 we started to receive numerous 999 calls reporting shots fired in a number of locations on Oxford Street and at Oxford Circus tube station.
"Given the nature of the info received we responded as if the incident was terrorism, including the deployment of armed officers.
"Additional officers remain on duty in the West End to reassure the public."
Oxford Street and Bond Street stations - which were closed following the incident, with police warning people to 'avoid the area' - have now reopened.
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