A road has reopened after being closed for more than two hours while police dealt with a major incident.
Part of Boundary Road, Portslade, was cordoned off with part of Station Road also closed, after an altercation involving at least eight men.
Traffic sensors show the road has now been reopened and delays are clearing.
Police confirmed five men were arrested in relation to the incident.
Emergency services including an air ambulance were called to Station Road at around 2.15pm to reports of a fight.
Three men have been taken to hospital, with two in critical condition and another suffering minor injuries, understood to have been caused by weapons.
While the road has reopened, officers are still carrying out searches in the area and there will be a heightened police presence at this time.
Chief Inspector Jim Smith said: “An investigation is underway into this incident, but it is believed that all individuals involved are known to one another and there is no threat to the wider public.
“There is likely to be an increased police presence in the area for some time, and I would like to thank for the public for their patience and understanding while this is ongoing.
“Anyone with information is asked to report via our online form or via 101 quoting Operation Linden.”
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