HERNANDO COUNTY, Fla. (WFLA) — A mother and her 6-month-old son died Monday morning after a four-vehicle wreck on US-19 in Spring Hill, according to the Florida Highway Patrol

Troopers described the adult victim as a 35-year-old woman from Weeki Wachee.

Northbound lanes on US-19, also known as Commercial Way in Spring Hill, have been closed while southbound traffic is moving slowly at an intermittent pace, according to Hernando County deputies.

Traffic into Berkeley Manor from Commercial Way has also been blocked.

Both the FHP and Hernando County Sheriff’s Office ask drivers to find an alternate route. The road is expected to be closed for several hours.

The FHP is also asking for any witnesses or video evidence of a crash involving a maroon 2014 Chevrolet four-door pickup truck. Troopers said that crash happened just at the same location just before the fatal wreck.

Those with information can call 813-558-1800.