Mass Casualty Incidents | Slideshow

Spain Bus Accident

01 / 07

Spain Bus Crash

Undertaker workers carry the body of a person killed during a bus accident on the AP7 highway that links Spain with France along the Mediterranean coast near Freginals halfway between Valencia and Barcelona, Sunday, March 20, 2016. A bus carrying university students back from a fireworks festival crashed Sunday on a main highway in northeastern Spain, killing 14 passengers and injuring 30 others, a Catalonian official said. (AP Photo)

02 / 07

Spain Bus Crash

Undertaker workers carry the body of a person killed during a bus accident on the AP7 highway that links Spain with France along the Mediterranean coast near Freginals halfway between Valencia and Barcelona, Sunday, March 20, 2016. A bus carrying university students back from a fireworks festival crashed Sunday on a main highway in northeastern Spain, killing 14 passengers and injuring 30 others, a Catalonian official said. (AP Photo)

03 / 07

Spain Bus Crash

Emergency services personnel stand at the scene of a bus accident on the AP7 highway that links Spain with France along the Mediterranean coast near Freginals halfway between Valencia and Barcelona early Sunday, March 20, 2016. A bus carrying university students back from a fireworks festival crashed Sunday on a main highway in northeastern Spain, killing 14 passengers and injuring 30 others, a Catalonian official said. (AP Photo)

04 / 07

Spain Bus Crash

Emergency services personnel stand at the scene of a bus accident crashed on the AP7 highway that links Spain with France along the Mediterranean coast near Freginals halfway between Valencia and Barcelona early Sunday, March 20, 2016. A bus carrying university students back from a fireworks festival crashed Sunday on a main highway in northeastern Spain, killing 14 passengers and injuring 30 others, a Catalonian official said. (AP Photo)

05 / 07

Spain Bus Crash

Emergency services personnel stand at the scene of a bus accident crashed on the AP7 highway that links Spain with France along the Mediterranean coast near Freginals halfway between Valencia and Barcelona early Sunday, March 20, 2016. A bus carrying university students back from a fireworks festival crashed Sunday on a main highway in northeastern Spain, killing 14 passengers and injuring 30 others, a Catalonian official said. (AP Photo)

06 / 07

Spain Bus Crash

Emergency services personnel stand at the scene of a bus accident crashed on the AP7 highway that links Spain with France along the Mediterranean coast near Freginals halfway between Valencia and Barcelona early Sunday, March 20, 2016. A bus carrying university students back from a fireworks festival crashed Sunday on a main highway in northeastern Spain, killing 14 passengers and injuring 30 others, a Catalonian official said. (AP Photo)

07 / 07

Spain Bus Crash

Emergency services personnel stand at the scene of a bus accident crashed on the AP7 highway that links Spain with France along the Mediterranean coast near Freginals halfway between Valencia and Barcelona early Sunday, Spain, March 20, 2016. The bus was reportedly hired out to carry students to and from a fireworks festival in Valencia and was on the return leg of its journey when the accident happened. (AP Photo)