A patient assaulted another worker at the Hawaii State Hospital in Kaneohe, police said.
A 28-year-old male patient allegedly attacked the 21-year-old employee at about 7:25 am. Wednesday, police said.
Officers arrested the patient on suspicion of second-degree assault.
Charges are pending against another patient who allegedly attacked a 44-year-old male worker July 23 and a 56-year-old female worker on Aug. 5.