SAN DIEGO (CNS) - Two young men were behind bars Wednesday for allegedly taking part in a South Bay shooting rampage that killed a woman and a teenage boy and wounded the latter's half-brother last week.

Abdulaziz Mohamed and Adbiwahab Noorein, both 21, were arrested Tuesday in connection with the early-morning eruption of gunfire at an apartment complex in the 400 block of Oaklawn Avenue in Chula Vista, according to police.

Killed at the scene were Christina Selmon, 20, and 17-year-old Hopeton Bennett. Julian Velasquez, 21, suffered a non-life-threatening gunshot wound to the face.

Mohamed and Noorein, who are believed to have gang ties, were booked into county jail on suspicion of attempted murder in the shooting of Velasquez, Lt. Roxana Kennedy said.

Citing ongoing investigations in the case, Kennedy declined to say if detectives had identified the suspected killer or killers of the young Chula Vista woman and the San Diego teen.

The lieutenant also would not discuss how the shootings appeared to have played out or disclose a possible motive, except to say that they apparently erupted about 3 a.m. during an argument. The gun or guns used in the assaults have not been recovered, she said.

The deadly violence may have been related to a disturbance that occurred at the same address two days earlier, police said earlier. Neighbors reported hearing loud arguments from inside the residence on several recent occasions.

The three victims were visiting friends at the large residential complex on the night of the shootings, Kennedy said.