Picture: Carberry Build
Officers had been called to reports of an altercation in Waverley Crescent in Harold Hill just after 1.30pm this afternoon.
It was claimed a knife had been brandished so armed officers also attended.
The suspects made off in a car and were later stopped in Straight Road, heading towards Gallows Corner.
A Met Police spokesperson said four males were arrested on suspicion of affray, and are being held in custody at a local police station.
No one was injured.
Straight Road was closed for a brief time but has since reopened.
Video: Carberry BuildTags: Romford, Havering, Harold Hill
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