People in a crowd flee as an out-of-control monster truck plows through spectators at a Mexican air show in the city of Chihuahua Saturday. Officials say they are investigating the incident, in which eight people died.
Rescue workers converged Wednesday on the site of a building collapse in Philadelphia. At least six people were reportedly killed and an additional 14 injured.
Eduardo Munoz /Reuters /Landov
The wreckage of a hot air balloon and its gondola lay in a field near Luxor, Egypt, on Tuesday. A fire and subsequent crash killed many of those who were aboard the tourist flight.