Bomb spotted at Arizona nuclear plant
The worker was stopped and detained at the entrance of the Palo Verde Nuclear Generating Station, said U.S. Nuclear Regulatory Commission spokesman Victor Dricks. Security officials then put the nuclear station on lockdown, prohibiting anyone from entering or leaving the facility.
Authorities described the device as a small capped pipe that contained suspicious residue.
Capt. Paul Chagolla with the Maricopa County Sheriff's Office said sheriff's officials have rendered the device safe and that investigators were interviewing the worker.
The plant was operating normally and there was no threat to the public, Palo Verde spokesman Jim McDonald said.
Related News

Ontario's electricity 'recovery rate' could lead to higher hydro bills
TORONTO - A new provincial COVID-19 measure, designed to give Ontario ratepayers "stability" on their hydro bills this summer, could result in slightly higher hydro costs over the next four months.
Ontario Premier Doug Ford's government announced over the weekend that consumers would be charged a single around-the-clock electricity rate between June and November, replacing the much-derided time-of-use model ratepayers have complained about for years.
Instead of being charged between 10 to 20 cents per kilowatt hour, depending on the time of day electricity is used, hydro users will be charged a blanket rate of 12.8 cents per kWh.
"The new rate will…