The bus overturned between the provinces of Umluj and Al Wajh under circumstances that are yet to be determined.
It was not yet known how many passengers were traveling on the bus.
Eyewitnesses at the scene provided details to Al Roya correspondent, stating that the Saudi Civil Defence swiftly responded by transferring the deceased and injured to hospitals in Al Wajh and Umluj.
It has been confirmed that all the deceased were of Arab nationalities.
Authorities have not yet pinpointed the cause of the accident, and investigations are ongoing to ascertain the factors leading to this tragic event.
MP/PR