The National Park Service evacuated hundreds of tourists from the Statue of Liberty and Liberty Island on Friday after reports of a bomb threat. Federal authorities and the New York Police Department conducted security sweeps before giving the island an all clear several hours later.

The statue is to reopen to the public on Saturday.

The Park Service received a bomb threat by telephone around 11:30 a.m. Friday, with the caller threatening to blow up the Statue of Liberty.

A law enforcement official described it as a “generalized threat” and “nonspecific in terms of location.”

While throngs of visitors were directed back to the ferry boats, SWAT teams and bomb-sniffing dogs, based on the island, soon swarmed the area. The Park Service said lockers near the base of the statue were of high interest at one point, because one of the dogs apparently reacted in a way that gave the officials cause for concern and prompted them to want to inquire further.