Taif — Police in Taif arrested a mentally ill man on Sunday for stabbing diners at a reputable restaurant at Al-Salama neighborhood in Taif. Four diners were injured. The perpetrator sneaked into the restaurant carrying a knife and went on a rampage. Police cornered him as he got into a car and locked up himself. The policemen smashed the car's windows and arrested him. Nawaf Al-Qureshi, a field supervisor at the Red Crescent said the four people stabbed by the man sustained injuries in different parts of their bodies.