Police in the city of Newport, Ore., say 3 potentially explosive devices have been found so far
                                
                                
                                    (Newser) -
                                    Some people collect seashells by the seashore, or even lost jewelry if they've got a metal detector. In one Oregon city, however, locals are making a more surprising, and potentially dangerous, find. In an  alert  issued last week, police in the city of Newport are warning beachgoers to beware...