KANSAS CITY, Mo. -- The Kansas City Police Department says that one of their officers sustained serious head injuries this evening while investigating a crash. According to KCPD, officers were investigating an injury crash involving an officer at East Truman Road and South Main Street when an of ficer was assaulted around 7 p.m. MSHP issues SILVER Advisory for missing 64-year-old from Liberty Police say the assault happened as the driver of an ATV attempted to avoid a deflation device set up by the officer by using a wheelie and struck the officer. The driver then fled the scene, driving over the officer. That officer has been taken to an area hospital with serious head injuries, according to KCPD. KCPD did not include any details of a suspect or the ATV they were driving. This is an ongoing investigation; FOX4 will provide updates as they're made available. ...read more read less