A bomb threat was called in to an assisted living facility in Hingham, Massachusetts, Monday, prompting an hourslong search of the grounds while residents sheltered in place, police said.
The all-clear was given at the Linden Ponds Senior Residential Complex over four hours after the the threat arrived by phone, according to Hingham police. No one was injured.
No explosive devices were found after an extensive search by K-9 units from the ATF, Massachusetts State Police and Quincy police, Hingham police said on Twitter around 4:45 p.m. They initially announced the threat had been made just before noon.
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First responders appeared to be examining vehicles on a road, but officials haven't offered any information about what type of threat they were looking into. Detectives are still looking into the incident, police said.
The entrance to the facility, off Route 53 near Weymouth, was closed, police said, but residents were not evacuated. The shelter-in-place order was eventually lifted.
About 1,200 seniors live at Linden Ponds, police said.
This is a developing story that will be updated.