A man with a grenade around his neck has reportedly prompted the bomb squad to respond to Fourth Avenue in San Mateo on Monday morning, according to multiple witness accounts.
Here are related posts from Twitter users tweeting about the incident:
@clunkclunk: So 4th street in San Mateo is blocked off by 20 cops. Rumors are that a guy had grenades around his neck, and they're waiting for bomb squad
@onewtocross: The San Mateo PD stopped a man in front of suruki market. He was wearing a gas mask and full army gear. They found a grenade in the car!!
Patch will update this story as more details become available.