Four collisions were investigated by the Holbrook Police Department during the period of Dec. 8-22 according to dispatcher reports. At 6:08 p.m. on Friday, Dec. 10, a two vehicle, non-injury collision was reported at the intersection of Buffalo Street and Navajo Blvd. The vehicles involved were a Ford Econoline driven by Thomasita Bitsilly, 42, of Indian Wells and the second vehicle remains unknown. According to the report, Bitsilly’s vehicle was hit on the rear driver side by the unknown driver who fled the scene. At 5:11 p.m. on Saturday, Dec. 11, a two vehicle, non-injury collision was reported at the intersection of Mission Lane and Navajo Blvd. The vehicles involved were a white GMC truck driven by Melanie Greymountain, 49, of Holbrook and a silver Jeep Cherokee driven by Nicholas Serna, 35, of Holbrook. According to the report, Greymountain was stopped at the stop sign on Mission Lane to turn onto Navajo Blvd. when Serna struck her from behind allegedly due to mechanical issues with the vehicle, causing the collision. Serna had no form of Arizona identification or driver’s license and failed to provide his vehicle registration or mandatory insurance. Serna was cited for no current registration, failure to display a license plate and no possession of a driver’s license. At 9:23 p.m. on Saturday, Dec. 18, a two vehicle, non-injury collision occurred on Navajo Blvd. and East Iowa Street. The vehicles involved were a 2018 Kia Optima driven by Sheila Yazzie, 43, of Holbrook and a tan 1998 Ford Explorer driven by Brandon Pagan, 28, of Holbrook. According to the report, Yazzie was traveling west on East Iowa Street approaching the intersection when Pagan, who was traveling north on Navajo Blvd., turned right onto East Iowa Street and struck the front of the Kia then fled the scene. Pagan was issued a summons for leaving the scene of a collision, failure to remain at the scene of a collision, and driving at a speed greater than reasonable and prudent. At 2:38 p.m. on Monday Dec. 20, a two-vehicle collision with injuries occurred at the intersection of highways 77 and 377. The vehicles involved were a white Dodge Durango driven by Ashley Miller, 30, of Snowflake and a silver Ford F150 driven by Loye Willis, 49, of Snowflake. According to the report, the Durango was traveling south on Highway 77 when it turned into the right turn lane for the Navajo County Public Works building and stopped. Two vehicles passed to the left and the vehicle made a U-turn in front of an F150 that was also traveling south. The F150 struck the Durango, causing the F150 to roll on its driver’s side. Willis was transported to the Little Colorado Medical Center in Winslow for treatment of his injuries. Miller and the occupants in her vehicle were not injured.