police-light-bar1.jpg3:53 PM: A hand grenade found by a man with a metal detector shut down a portion of San Francisco’s Golden Gate Park for more than two hours this afternoon, police said.

The discovery was reported at about 1:10 p.m. in the 1300 block of Martin Luther King Jr. Drive, near Mallard Lake, after the metal detector revealed the grenade’s presence, police said.

Officers shut down the area to traffic and the department’s bomb squad responded.

They rendered the grenade safe at about 3:30 p.m., police spokesman Sgt. Mike Andraychak said.

Traffic was reopened in the park about five minutes later, he said.

No one was injured in the incident.

2:40 PM: A hand grenade was found by a man using a metal detector in San Francisco’s Golden Gate Park this afternoon, a police spokesman said.

The discovery was reported at about 1:10 p.m. in the 1300 block of Martin Luther King Jr. Drive, near Mallard Lake, after the metal detector revealed the grenade’s presence, police spokesman Officer Carlos Manfredi said.

The man who found the grenade did not know if it was live or inert, so he called police and the department’s bomb squad responded, Manfredi said.

The area around the grenade was closed to the public and remained blocked off as of 2:15 p.m., he said.

Dan McMenamin, Bay City News

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