Authorities are investigating bomb threats called in to Jewish community centers in at least five states, including New Jersey, on Monday.
Sources say, before 11 a.m., a phone call came into the main operator line of the facility.
She said she was most afraid for her daughter who found out about the threat and called her in a panic.
The Katie and Irwin Kahn Jewish Community Center in Columbia, S.C. also received a threat.
No other information was immediately known. The executive director at the Rockville, Md.
Marcus JCC CEO Jared Powers
It is likely that additional locations have received threats and YWN is still unaware of them.
"This is the new reality we have to deal with", Feinstein said.
There were no known links between the threats as of early Monday afternoon.
The all-clear was given around 1:30pm local time after Montgomery County Police and firefighters searched the building. No injuries have been reported and sweeps of the evacuated buildings have yielded no explosive devices. It is unclear if the bomb threats are linked in any way.
In the United Kingdom,the Jewish Chronicle reports that several "hoax" bomb threats were made to a "small number" of Jewish schools and several non-Jewish schools.
Up to 20 JCCs may have received threats, Kosher Network International reported, though it's unclear if that refers to centers exclusively in the USA or around the world.