BY A STAFF REPORTER:At least 17 people were killed and 13 injured when a bus crashed in mexico's central state of Puebla. Puebla State Interior Secretary Julio Huerta said the victims were all Venezuelans, Colombians and Central Americans. Huerta said 15 of the 45 passengers on the bus died on the spot and two others died in hospital. Five people have been admitted to the hospital and their condition is critical. However, an investigation has been launched into how the accident took place.