A grenade was found Thursday afternoon in the sand on Paradise Cove Beach in Malibu after it washed ashore.
Deputies from the Los Angeles County sheriff's Malibu station were sent to the 28100 block of Pacific Coast Highway at about 1:13 p.m. after receiving a report that an explosive device washed onto the beach.
Members of the sheriff's arson/explosives detail arrived and rendered the device safe and took it away.
Deputies then searched the area for other devices, but didn't find any.
The beach was reopened soon after.
Still, authorities are asking anyone with details about the device to call the sheriff's Malibu/Lost Hills station at (818) 878-1808.