A 45-year-old Honolulu Police Department officer on Monday became the eighth officer to be attacked in Waikiki since June.
The suspect was described as wearing a ski mask, a gray hoodie, and baggy blue jeans.
Firefighters arrived at the abandoned building on Kuhio Avenue and found dark smoke emanating from the second floor.
HFD confirmed a vacant Waikiki building fire on Kuhio Ave was intentionally set Saturday morning, causing $75,000 in damages.
A man in his 40s was in critical condition after being found unresponsive in the ocean off Waikiki, according to first responders.