(Newport, OR) -- Oregon police are warning the public after several military hand grenades washed ashore in the Newport area last week. The Newport Police Department said they responded to reports of three separate explosive devices being discovered on the sand. The Oregon State Police Bomb Squad stepped in to take the grenades. Police say the devices are a Simulator Hand Grenade M116A and are white in color with a label reading "Warning Explosive." The public are advised not to handle the devices. There's no word yet on where the grenades could be coming from.