NB I-17 back open after bus fire closes Stack for hours

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PHOENIX -- An early morning bus fire forced the closure of northbound Interstate 17 at the Stack Friday.

According to the Department of Public Safety, the fire department was working to secure the gas line valves on the Valley Metro bus.

"They want to make sure they have that completely disarmed before they try to move the bus out of there," said DPS spokesman Bart Graves at the time of the blaze.

It was a propane tank on the back of the bus that caught fire, said firefighters on the scene.

Huge flames could be seen shooting from the bus just before 6 a.m. Fire crews let the fire burn itself out.

The driver was the only person on board the bus when the fire started. He was not injured.

Northbound traffic on I-17 was diverted to Interstate 10. The ramps from the 10 to the 17 were closed until just before 11 a.m.