DANBURY, Conn. (AP) — A second teenager has been charged with murder in the death of an 18-year-old Connecticut man and police say more arrests are likely.

Danbury police said Thursday that a 16-year-old already in custody on unrelated charges has now been charged in the death of Gabriel Bara-Bardo. A 15-year-old was arrested Wednesday in the same case.

Police say officers had responded to a report of suspicious activity on Aug. 5. They found Bara-Bardo alone and unconscious in the road next to his vehicle.

The state medical examiner's office ruled that Bara-Bardo's cause of death was complications following blunt impact to the head and neck.

The investigation is still ongoing.