A Saudi national was arrested for killing an Egyptian pharmacist in the province of Jazan, according to Sabq.
The killer attacked the victim with a knife as he was working at a pharmacy in Al Safa neighbourhood and stabbed him seven times.
Police tracked down the killer who fled the crime scene and arrested him within 20 minutes after viewing CCTV footage which helped them identify the murderer.
The pharmacist was rushed to hospital in a critical condition but he succumbed to his wounds.
The killer is reportedly mentally unstable. An inquiry is underway to determine the circumstances of the crime.