Police and ambulance crews packed Pine Court, a small cul-de-sac off Dunkirk Lane, in response to an altercation between neighbours at around 7pm.
A total of 6 police cars, including TacOps, attended alongside ambulance crews in response to a 999 call.
Two people were injured, a man and a woman, with one of the victims taken to hospital.
Lancashire Police said a 29-year-old man was arrested on suspicion of assault and remains in custody.
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