NESCOPECK, Pa. (AP) - Pennsylvania State Police are crying fowl after crates of live chickens hurtled off a tractor-trailer on a Pennsylvania highway and the birds flew the coop.

WNEP-TV reports (http://bit.ly/1z2wQhU) the feather-ruffling incident happened at around 6:30 a.m. Thursday on Interstate 80 in Nescopeck Township, near Berwick.

State police say they're not sure how many chickens are on the loose. They say traffic on the highway isn't affected by the search.

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Information from: WNEP-TV,

http://www.wnep.com