Two trains collided Thursday night in Boulder, derailing cars from the tracks and injuring two conductors.
The crash happened on train tracks between Pearl Parkway and the intersection of Arapahoe Avenue and 48th Street, just north of Boulder Community Health, .
The train bridge was damaged and both train conductors were treated for minor injuries from the wreck, .
Police originally said fuel from the trains leaked into Boulder Creek, but in a said investigators believe sand spilled from one of the crashed train cars absorbed the leaking fuel.
A section of Pearl Parkway near 48th Street and Arapahoe Avenue and part of Valmont Road were closed for multiple hours Friday as crews investigated and cleaned up the wreck.
All roads were reopened just after 7 a.m. Friday, .
Xcel crews Thursday night worked to repair a powerline that was damaged in the crash, police said.
The outage affected 92 households near the train crash, and power had been restored to the area as of 6:20 a.m. Friday, .
This is a developing story and may be updated.
