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MENDON, Mo. — Several Amtrak train cars derailed in Missouri on a trip Monday from Los Angeles to Chicago, causing several injuries and three deaths.

The train had approximately 243 passengers on board and struck a dump truck at a public crossing in Mendon, Missouri at around 1 p.m. At least 50 people were injured and three people died in the crash. Two people died on the train and one person died in the dump truck, police said in a news conference Monday evening.

Approximately eight train cars and two locomotives derailed.

Data tracking shows Amtrak’s Southwest Chief was travelling at 90 mph minutes before it collided with the truck on the tracks. shows the train was travelling northeast on a section of high-speed track. It’s unknown if the engineer was able to engage emergency braking before impact.

The journey of the cross-country train began with an on-time departure from Los Angeles at 5:55 p.m. on June 25. The train departed its last scheduled stop in Kansas City 3 hours and 42 minutes behind schedule. Delays are not uncommon on the line.