The Marshalltown Police Department is investigating a rollover crash that occurred near the westbound entrance ramp of Highway 30 and 18th Avenue on Wednesday afternoon at approximately 1:24 p.m.

According to a press release, the westbound lanes will be closed for “an extended period” pending the investigation, and the MPD is being assisted by the Iowa State Patrol, the Marshall County Sheriff’s Office and the Marshalltown Fire Department.

Further information may be made available at a later date and time.