Deputies in Mesa County are investigating how and why a bullet was fired into a school bus driving on a road near Whitewater, Colorado.

The bus did not have any students in it at the time.

As police investigate, Reeder Mesa Road is closed at Highway 50.

According to a press release from Mesa County Sheriff's Office, deputies responded to the shots fired call at 6:22 a.m. Friday.

The bus was driving on Reeder Mesa Road near Desert Vista Road when a single bullet is believed to have been fired, shattering two windows on the bus, police reported.

The driver was not injured.

A community notification was sent out to homes in the area alerting residents to stay inside and shelter-in-place. Deputies are going door-to-door to check on residences and release the shelter-in-place. They are also methodically searching the area, the press release said.

MCSO said it is unknown if the bus was specifically targeted.

Mesa County Sheriff's Office photo of the investigation scene. 

Student Transportation of America contacted all District 51 parents with students who take the bus and advised them on the situation. The bus will be out of service until further notice.

The Mesa County Sheriff’s Office, Grand Junction Police Department, Colorado State Patrol, District 51, Colorado Department of Public Safety and Colorado Bureau of Investigation are involved in the investigation.

Anyone with information about this incident is asked to call law enforcement at (970)-242-6707.