City workers in Placentia found the backpack in a storm drain , a sheriff 's spokesman says . 6 grenades , blasting caps and fuse igniters were in the backpack and nearby dirt . The explosive devices likely had been there for some time , sheriff 's spokesman adds . Comment:
City workers in Placentia found the backpack in a storm drain , a sheriff 's spokesman says . 6 grenades , blasting caps and fuse igniters were in the backpack and nearby dirt . The explosive devices likely had been there for some time , sheriff 's spokesman adds . They have been safely detonated , he says .