Vandals stole 700 pounds of dynamite and 400 blasting caps at a Pennsylvania worksite over the weekend.
At least 16 cases of dynamite were taken from the site in Marietta, Pennsylvania.
Marietta is 90 miles from Philadelphia.
The ATF released this photo of the dynamite stolen in Pennsylvania.
The Federal Bureau of Alcohol, Tobacco, Firearms and Explosives offered a $20,000 reward on Thursday for information on the missing dynamite.
WHYY reported:
Authorities now say that 704 pounds of explosives were stolen. The Lebanon Daily News reported that the Bureau of Alcohol, Tobacco, Firearms and Explosives said an inventory confirmed that 16 cases of dynamite were taken. Each case holds 40 sticks of dynamite that weigh 1.1 pounds each.
Reported previously
Authorities are searching for explosives that were stolen last weekend from an Atlantic Sunrise Pipeline worksite in Lancaster County.
More than 600 pounds of dynamite disappeared from a locked truck trailer in Marietta, along with 400 blasting caps, according to the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives. Gregory General Contracting Company reported the theft to authorities on Monday after security at the site discovered the trailer door open with the locks missing.
Atlantic Sunrise developer Williams said the incident took place at a storage yard operated by a contractor.