OFFICER STRANGELY HURT IS STILL UNCONSCIOUSMystery surrounds the case of reserveofficer Michael Brennan of Station 0, Dudley st, who is at the City Hospital in a semiconscious condition as a result of injuries received early yesterday morning:. He was found at 8 yesterday in a passageway off Warren st, Rox-hury, near Clifford st. by fellow officers who had been searching- for him for several hours. He was unconscious. There was a bruise on the top of his head toward the front. His helmet, blouse, club and revolver wer missing.Investigation has shed no light on what happened to Brennan after he turned in his 3 o’clock service call yesterday morning. No one seems to have seen him .enter the alley, and the police are satisfied by the condition of his clothing that he was not dragged there. No trace of the missing articles has been found.T.t is feared Brennan may have been suddenly attacked from the rear and felled by si blow' on the head.■ m ■ o i m aanlls^Birw K I A 1 11