Emergency services were called to Richmond Terrace, adjacent to Avonmouth Docks, astatine astir 20:30 BST, Avon and Somerset Police said.
One antheral was taken to infirmary with superior injuries and helium remains successful a captious condition.
A 2nd unit member, of the cargo vessel that precocious docked astatine Avonmouth, besides required attraction but has since been discharged from hospital, portion a 3rd suffered insignificant injuries.
Supt Deepak Kenth confirmed each 3 men were Filipino nationals and said determination had been a "suggestion racist connection was directed towards astatine slightest 1 of the victims during the attack".
Therefore, helium said, constabulary were "treating this arsenic a suspected hatred transgression astatine this point, pending further accusation coming to light".
He besides addressed speculation online that the injuries were caused by a weapon oregon akin weapon, but said this was not the case.
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