Police responded to reports of a fight in Ramsey this afternoon (Thursday).
Several police cars and a van were seen in High Street at about 12.45pm amid reports that a fight had broken out between two people.
Details are unclear but eyewitnesses reported seeing a man "covered in blood" and crews from the East of England Ambulance Service attended to treat two men.
It is not known if anybody was seriously injured.
A spokesman for Cambridgeshire police said officers had received reports of a person carrying a machete at about 12.45pm.
The spokesman added: "[Two men] had injuries and two ambulances were called to take them to separate hospitals."