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Derailment

Monsoon rains cause massive train derailment at I-10 in Marana

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Fire crews are investigating a massive Union Pacific train derailment believed to be caused by heavy rains east of Interstate 10 Tuesday afternoon.

At least 20 railcars were involved, said Brian Keeley, a Northwest Fire District spokesman. He said there were no immediate reports of hazardous materials on the train.

According to Marana Police, the frontage road near Twin Peaks Road is closed due to the train and flooding in the area.

Fire crews are investigating the heavy debris scattered across the frontage road and train tracks, Keeley said. The frontage road from Twin Peaks to Avra Valley Road will be closed for approximately 24 to 48 hours due to cleanup. 

The Northwest Fire District said the derailment was caused by the rain. Keeley added there was running water across the tracks as personnel arrived on scene. 

There were no reported injuries in the incident.

No further information has been released. Drivers should avoid the area.

Contact reporter Gloria Knott at gknott@tucson.com or 573-4235. On Twitter: @gloriaeknott

Contact Star reporter Shaq Davis at 573-4218 or sdavis@tucson.com

On Twitter: @ShaqDavis1

Metro Producer

Gloria is a Tucson native and attended the University of Arizona. She started at the Star as an apprentice in 2017. Following her apprenticeship, she began freelancing until becoming a full-time reporter and producer after her college graduation in 2018.

Reporter

Shaq is a public safety reporter and the Road Runner columnist, keeping readers up to date on transportation news. In 2017, he started as an apprentice and later worked part-time until graduating from the UA and being offered a full-time position in 2018.