The suspect in the Saturday, July 10 attack is wanted for aggravated assault.
Police say the attack occurred around 3:54 a.m., when multiple suspects approached the victim in the 1200 block of U Street, Northwest.
The victim’s family told FOX 5 that the suspects had approached his female friends.
After the victim "tried to defuse the situation," the family says, he was "sucker-punched" by the suspects.
According to the family, multiple people joined in the attack.
The family says he required emergency brain surgery at Howard University Hospital.
Police have released a surveillance image showing one of the suspects.
If you have any information that might help police in their investigation, call (202) 727-9099.