The man, believed to be mentally unstable, attacked her when she was trying to get her esky (portable cooler) from the nearby drain. Eyewitnesses allege that he was hiding in the drain and attacked the woman for no apparent reason.
Loop PNG was on site when the incident happened.
Police travelling along the Waigani Drive stopped over and arrested the suspect while he was trying to escape.
The woman was rushed to the hospital in a taxi.
