Photos: Amtrak derailment

An Amtrak police officer monitors activity at the Highland Avenue train station near the crash of Amtrak Palmetto train 89 on April 3, 2016 in Chester, Pennsylvania.

A man watches an Amtrak train resume service as it proceeds at reduced speed towards the crash site of Amtrak Palmetto train 89 on April 3, 2016 in Chester, Pennsylvania.

Emergency personnel investigate the crash site of Amtrak Palmetto train 89 on April 3, 2016 in Chester, Pennsylvania.

Passengers leave the staging area after Amtrak’s Palmetto Train 89 collided with a backhoe in Chester, Pennsylvania on April 3, 2016.

Emergency vehicles and staff gather at a staging area after Amtrak’s Palmetto Train 89 collided with a backhoe in Chester, Pennsylvania on April 3, 2016.

Emergency vehicles and staff gather at the site where Amtrak’s Palmetto Train 89 collided with a backhoe in Chester, Pennsylvania on April 3, 2016.

Emergency personnel investigate the crash site of Amtrak Palmetto Train 89 on April 3, 2016, in Chester, Pa.

Emergency personnel congregate near the Amtrak Palmetto Train 89 crash April 3, 2016, in Chester, Pa.

Passenger Valerie Green, right, hugs her friend after Amtrak’s Palmetto Train 89 collided with a backhoe in Chester, Pa., on April 3, 2016.

Emergency vehicles and staff gather at the site where Amtrak’s Palmetto Train 89 collided with a backhoe in Chester, Pa., on April 3, 2016.

Emergency personnel investigate the backhoe involved in the crash of Amtrak Palmetto Train 89 on April 3, 2016, in Chester, Pa.

Emergency personnel investigate the crash site of Amtrak Palmetto Train 89 on April 3, 2016, in Chester, Pa.

Emergency personnel investigate the crash site of Amtrak Palmetto Train 89 on April 3, 2016, in Chester, Pa.