The 25-year-old alleged victim of an assault in Slade Green has been arrested on suspicion of affray.
He spent five days in hospital before being released on October 5.
He was then detained and has been bailed until late October pending further enquiries.
His alleged attackers, two men aged 56 and 25 from Slade Green, were arrested and released on bail until dates in early November and late October respectively.
Bridge Road was closed until the afternoon of October 1 so the scene could be forensically examined.
Anyone with any information should contact DC Ben White at Bexley police on 101 or via Crimestoppers anonymously on 0800 555111.
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