PALO ALTO, Calif. (BCN) - The Santa Clara County Sheriff's bomb squad detonated an inert hand grenade Monday evening after it was discovered by construction workers at the Stanford Research Park in Palo Alto, prompting evacuation and shelter-in-place orders, according to police.
Palo Alto police wrote on Twitter at 2:49 p.m. about the incident at 3145 Porter Drive, where workers discovered the grenade while digging underground.
People at 3145 Porter Drive were evacuated while those at the adjacent address of 3155 Porter Drive were asked to shelter in place, according to police.
The 3100 block of Porter Drive was temporarily closed Monday afternoon while a bomb squad investigated the device, police said.
Police announced at 5:28 p.m. that the bomb squad had detonated the hand grenade, and that it had been found to be inert. The roadway had been reopened by 5:34 p.m.