2014-06-23 08:39:00 by Metro Networks, Inc.
(Aloha, OR) -- Police are investigating after a woman was injured by an explosion inside a portable restroom in Aloha. Authorities say a suspicious device went off inside the port-a-potty Saturday at Arnold Park, where a softball tournament was taking place. The woman's injuries were minor. Officials say another device exploded hours later in a mailbox nearby, but no one was injured in that blast.