Volunteer fire fighter dies in tanker rollover crash - Texas.

Crashes involving fire department water tanker trucks are the leading cause of death in fire service motor vehicle incidents.Two recent fatal crashes involving motor vehicles modified into water tankers are under investigation by the Texas State Fire Marshal's Office.Based on these investigations and past tanker crash incidents, in Texas and nationally, the State Fire Marshal wants to alert the Texas fire service regarding the construction and operation of fire department tankers used in transporting water.Motor vehicle incidents account for approximately 20% of U.S. fire fighter deaths each year; cases involving tanker trucks are most common.