Bus crashes into ravine in Pakistan, killing 40

A bus traveling on a Pakistani highway plunged into a ravine. The vehicle was overloaded with 48 passengers. The accident occurred on a notoriously hazardous route. The road connects two provincial capitals. The bus fell about 70 feet into the ravine. Forty people were killed in the crash. The incident highlights the danger of the highway. Authorities may review safety measures on the route.