QUARTZSITE, Ariz. - Officials say a lane of Interstate 10 was closed Monday morning at milepost 10, west of Quartzsite, after a bus rolled over.

A spokesperson for the Arizona Department of Public Safety said the bus driver died and four other people were taken to a hospital including two who were flown from the scene. Their conditions are not known at this time.

There were a total of 13 passengers on board the tour-style bus at the time of the rollover, DPS said.

ADOT said the right lane of WB I-10 reopened just before 6 a.m. There's no estimated time to reopen the entire roadway. Drivers should expect delays.

We will update this story as more information becomes available.