Fire and Rescue personnel from Anita and Wiota have been dispatched to the scene of a head-on, personal injury crash between a van and a semi tractor trailer on Interstate 80 in Cass County. Crash at the 67. 2-mile marker eastbound was reported just after 2:20-p.m.  Medivac ambulance and Cass County Sheriff’s Deputies are also responding. Additional details are currently unavailable.