The Social Security Administration office in Conway has been evacuated after a suspicious package was found, officials said.
Officials with the Horry County Bomb Squad determined the package was a three-ring binder with miscellaneous papers inside, said Catina Hipp, Conway police spokeswoman.
Bomb squad officials used a robot to take a photo of the package then determined it to be papers and the binder.
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The package was delivered to the building on 1316 Third Avenue by the U.S. Postal Service and it's not clear why officials believed it was suspicious, Hipp said.
A security officer located the package and called police at 12:10 p.m., Hipp said. The building was evacuated at 1 p.m., Hipp said.
Officials from State Law Enforcement Division, Conway Police and Conway Fire Rescue also are at the scene.
On Monday, a homemade device caused an explosion at the Solid Waste Recycling Center on River Road in Socastee, police said.
Sgt. Robert Kegler, Horry County Police spokesman, said in a news release that the county bomb squad found what appeared to be a homemade device that exploded inside a bulk waste dumpster about 1:15 p.m.
The explosion was described as small, and no one was injured.
The remains of the device were collected by the bomb squad and turned in to be analyzed.