Police here arrested Wednesday a 22-year-old man over the fatal shootings of two persons from the Gulf in a desert region a day earlier. Announcing the arrest only 12 hours after the incident was first reported, police said the reason for the shooting remained unknown. “The suspect has confessed to the killings,” said police spokesman Muhammad Al-Shehri. One of the victims died at the site of the shooting, while a Health Affairs official announced Wednesday that the second had succumbed to his wounds in hospital after undergoing emergency surgery.