Ambulances & Vehicle Ops | Mass Casualty Incidents | News | Slideshow

Pennsylvania Bus, Truck Crash

01 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/David Kidwell)

02 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Tobyhanna, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (Jake Danna Stevens/The Times & Tribune via AP)

03 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/David Kidwell)

04 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/David Kidwell)

05 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/David Kidwell)

06 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/David Kidwell)

07 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/David Kidwell)

08 / 13

APTOPIX Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa. Wednesday, June 3, 2015. Multiple people were killed more than a dozen were sent to hospitals. (AP Photo/David Kidwell)

09 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/Matt Rourke)

10 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/Matt Rourke)

11 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/Matt Rourke)

12 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/Matt Rourke)

13 / 13

Bus Truck Highway Crash

Authorities investigate the scene of a fatal collision between a tractor-trailer and a tour bus on Interstate 380 near Mount Pocono, Pa., Wednesday, June 3, 2015. Multiple people were killed and more than a dozen were sent to hospitals. (AP Photo/Matt Rourke)