Fiery crash closes northbound I-270 in south St. Louis County

ST. LOUIS COUNTY, Mo. (First Alert 4) - A fiery crash has closed northbound Interstate 270 in south St. Louis County on Thursday morning.

The Missouri Department of Transportation reported the crash around 3:55 a.m. near the Missouri Route 21 interchange. The crash appears to involve a semitruck and a garbage truck.

MoDOT said the closure is expected to last until around 8 a.m. The southbound left lane is also closed while crews work to clear the crash.

No other information is known at this time.

This is a developing story; First Alert 4 will provide updates as they come in.