UPDATE: A major traffic accident on northbound Highway 99 at the Neal Road stop light has killed one person and has resulted in a tragic scene....
The CHP's Frank Valdepina says the accident involves several cars and tractor trailer...

The California Highway patrol says three vehicles were involved in the accident.....including the semitrailer. The semi-trailer is believed to have caught fire sending smoke billowing from the scene.
The freeway has been closed southbound at Estates Drive and northbound at Durham Pentz. The alternate route is the Midway via Durham Pentz.
CHP says there is a fatality, but has not confirmed how many people have died.