A 24-year-old man has been arrested on suspicion of affray.
He has been bailed until Sunday, July 6.
On Monday, a man was seen with a knife on Grenfell Road at about 11pm.
Noone was injured.
Thames Valley Police are appealing for witnesses on 101.
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The victim of an assault in Cippenham was flown to hospital by air ambulance this afternoon.
A rapid response vehicle, an ambulance officer, an air ambulance and an ambulance crew were all called to an address in Earls Lane at 2.10pm.