At least 10 passengers from the United States and Canada were among 11 people killed in a bus wreck with a tractor-trailer in northeast Mexico, news reports said Tuesday. At least 15 passengers were injured in the Monday afternoon crash near Monterrey, on the road between Saltillo and Zacatecas, the reports said. The bus was operated by Senda Express and left McAllen, Texas, on its way to Zacatecas in central Mexico
