At least 23 people were killed and 70 others were wounded in a bus crash early on Monday in a valley near Kahuta in Islamabad. The incident took place when a wedding bus, carrying more than 100 people returning to Chakwal, fell into a valley some 25 kilometers from Kahuta, Pakistan\'s (Geo News) reported. Rescue teams and residents rushed into the crash spot and took injured people to hospitals. Sources said that rescuers faced difficulties taking out the dead bodies from the bus after cutting its parts. An official said that investigation is underway to determine the cause of the crash.