A multi-vehicle crash caused several vehicles to catch fire Sunday afternoon, prompting emergency officials to shut down southbound Interstate 35 in Denton County for an undetermined period.

I-35 southbound shut down What we know: Authorities issued a traffic alert shortly before 1 p.m. announcing that all southbound lanes of I-35 were closed between Rector Road and Milam Road.

Emergency responders confirmed that no injuries were reported despite the intensity of the blaze.