From BPD News:

The Boston Police Department is seeking the public’s help to identify individuals involved in an assault and battery which occurred at about 12:34 AM on Thursday September 9, 2021, in the area of Lansdowne Street and Ipswich Street in Boston. On arrival, officers located an adult male victim who was transported to a local area hospital for treatment of serious injuries sustained during the incident. Detectives are looking to identify the individuals in these attached images.

Detectives assigned to District D-4 (South End) are actively reviewing the facts and circumstances surrounding this incident and are urging anyone with information relative to this investigation to contact 617) 343-5619.

Community members wishing to assist this investigation anonymously can do so by calling the CrimeStoppers Tip Line at 1 (800) 494-TIPS or by texting the word ‘TIP’ to CRIME (27463). The Boston Police Department will stringently guard and protect the identities of all those who wish to assist this investigation in an anonymous manner.