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An imitation firearm was seized by police after a disturbance at a house in Gillingham.
Four people were arrested following the incident in Forge Lane on Sunday but were today released without charge.
One of those was injured and taken to hospital, but their injuries not believed to be serious.
Police were called to the address at around 5.30pm.
Two men, aged 21 and 22, and two women, aged 24 and 43, were all arrested in connection with the incident.
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