A man was arrested Friday afternoon after authorities said he tried to jump over a White House fence carrying two bags.

A spokesman for the U.S. Secret Service said that nothing dangerous was found in the bags. He would not describe the contents.

The 2:45 p.m. incident forced police to shut down Pennsylvania Avenue, which is open only to pedestrians, for more than a hour, and put the White House on lockdown.

Ed Donovan, another spokesman for the U.S. Secret Service, said the incident occurred along the north perimeter of the White House. He said Secret Service agents and officers with the U.S. Park Police pulled the man down before he got over the fence.

The man was not immediately identified because charges had not yet been placed.

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