An Amtrak train derailed in Washington state Monday, killing at least six people and injuring  dozens of others, according to authorities.

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Amtrak Cascades Train 501, carrying 78 passengers and five crew members, jumped the track near Tacoma in Pierce County, Washington, plunging off an overpass onto the I-5 freeway below, according to Amtrak officials.

Amtrak has provided a phone number for people to call with questions about family or friends who may have been on the train: 800-523-9101.

At least 70 people were taken to St. Joseph’s Medical Center and at least 20 were transported to the Madigan Army Medical Emergency Center.

The main phone number for St. Joseph’s is 253-426-4101. You can inquire about a loved one at this number by providing the name of the person.

Madigan has two numbers listed for patient admissions: 253-968-3827 and 253-968-3829.