US: Authorities responding mass casualty vehicle accident on Interstate 90 near Hardin, Montana, July 15

Event

Authorities are responding to a multi-vehicle accident on Interstate 90 west of Hardin, Montana, the afternoon of July 15. According to initial reports, over 20 vehicles crashed approximately 5 km (3 miles) west of Hardin. Officials are describing the accident as a "mass casualty incident" but did not immediately confirm if there are fatalities.

A heightened security presence and lingering traffic disruptions on Interstate 90 are likely in the area over the coming hours.

Hardin is about 65 km (40 miles) east of Billings.

Advice

Monitor local media for updates on road status. Confirm road status and seek alternative routes to reach destinations in the affected area; allow additional travel time. Heed all security personnel instructions.