A crash between two Calgary Trasits buses in the northeast part of the city has prompted a huge response from emergency officials.CBC reported "multiple people" had been killed in the incident.Police have blocked off all roads around the scene at 800 Saddletowne Cir. N.E., in front of Fire Station 32.Western Standard reporter Jackson Loy, described the scene."Parts of the bus has been covereds in tarps, most of the windows are broken or blown out, the top of the bus is melted and the back part of the top looks to be blown open," Loy reported.The bus in question appears to have been natural gas powered.Loy said it apepars the natural gas tank on the top of the bus either caught fire or exploded....More to come