A train derailed and was in flames Wednesday morning on a bridge in Arizona that partially collapsed.

A Danish passenger train apparently hit cargo that fell from a passing freight train, killing six people and injuring 16 others as the two trains crossed a bridge linking the country's islands.

A freight train derailed and several train cars caught fire in southwest Indiana, forcing the mandatory evacuation of nearby homes and businesses.

Federal investigators are trying to figure out why a switch was in the wrong position, sending an Amtrak train into a freight train and killing a conductor and an engineer in South Carolina.

Three crew members were missing and one was hurt Tuesday after a head-on train collision in the Texas Panhandle that caused several box cars to erupt in flames and led authorities to evacuate residents in the area.

A CSX freight train heading to North Carolina derailed near a Metro stop in Washington, D.C., on Sunday, sending 14 cars off the tracks and spilling hazardous material, officials said. No injuries were reported and no evacuations were ordered.

Crews are working to contain a leak on an ethanol tanker that was among 16 cars on a freight train that derailed in far southwestern New York and forced the evacuation of several homes.

Amtrak says it will install video cameras inside locomotive cabs that record the actions of train engineers. The move follows a deadly derailment earlier this month in which investigators are searching for clues to the train engineer's actions just before the crash.