Saudi police killed two terrorists in less than 24 hours in Riyadh, including the country's suspected al-Qaida leader, official reports said Wednesday. The interior ministry said police were searching suspected terrorist hideouts in a residential quarter in Riyadh early Wednesday when a motorist tossed a hand grenade at them, wounding four. Police then chased the attacker and shot him after coming under fire. There was no immediate information about the identity of the slain gunman. The ministry statement also said police captured a suspected al-Qaida member in the Red Sea port city of Jeddah Wednesday who was wounded while resisting arrest. Earlier Wednesday, a ministry source said the suspected al-Qaida leader in the country was killed and an accomplice wounded in another incident in Riyadh. The source said the incident occurred Tuesday night when a police patrol followed a car carrying two gunmen and forced it to stop near a petrol station.