Mass Casualty Incidents | Slideshow

Trains Collide in Belgium

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Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

02 / 10

Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

03 / 10

Belgium Train Collision

A safety official stands near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

04 / 10

Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

05 / 10

Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

06 / 10

Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

07 / 10

Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

08 / 10

Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

09 / 10

Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)

10 / 10

Belgium Train Collision

Rescue workers stand near the wreckage of a train crash in Hermalle-sous-Huy, near Liege, Belgium on Monday, June 6, 2016. Belgian media reported several dead and injured as a passenger train struck a freight train. (AP Photo/Virginia Mayo)