You are performing in a local amateur dramatics group. Your latest production involves various prop weapons. After the first performance, the cast decides that due to recent worries of terrorist activity in the city, leaving a cache of prop weapons in the theatre is not a good idea, so you split them up amongst yourselves. The next day you are attending a security conference in one of the more paranoid conference centres. As you stand in line for the X-ray scanner, you remember that your bag still contains the fake grenade...

Phil Kitching