Saudi twin brothers on Friday killed their parents and stabbed a third brother in the capital Riyadh.
The Saudi police arrested the twins before escaping the crime scene in the Hamra neighborhood in Riyadh, according to local media.
“Details behind the motive of the attack is still unknown but authorities are not ruling out cause of terrorism yet,” a Saudi news agency reported on Friday.
The twin brothers have first chased their younger brother up to the rooftop of the family’s house in Riyadh and stabbed him multiple times, and he is currently in critical condition in intensive care unit.
“The suspects then approached their father a stabbed him multiple times before heading to their mother who was in another room in the house,” the agency reported.
Both suspects were reportedly supporting the radical group ISIS.
