UPDATE: Lehigh Valley drivers in I-78 pileup describe whiteout

A fatal pileup involving dozens of vehicles has closed Interstate 78 in Lebanon County, according to reports.

Westbound traffic backs up at Exit 10 on Interstate 78 in Lebanon County. The highway is closed in both directions after a fatal pileup involving 50-plus vehicles, according to reports. (PennDOT photo)

Pennsylvania State Police say more than 50 vehicles were involved in the crash about 9:45 a.m. Saturday in the highway's eastbound lanes in Bethel Township, the Associated Press reports.

PennLive.com, citing county 911 dispatchers, reported that more than 15 people were trapped and at least three had died.

The Pennsylvania Department of Transportation has closed the interstate in both directions between Exit 6 and Exit 8. The agency's traffic website, 511pa.com, reported crashes in both directions.

UPDATE: Multi vehicle accident on I-78 eastbound between Exit 6 - PA 343 and Exit 6 - PA 343. All lanes closed. — 511PA Harrisburg (@511PAHarrisburg) February 13, 2016

Steve Novak may be reached at snovak@lehighvalleylive.com. Follow him on Twitter @type2supernovak. Find lehighvalleylive.com on Facebook.