A 24-year-old man has been arrested after an explosion during Japanese Prime Minister Fumio Kishida's campaign event in western Japan. SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #abcnews #japan #fumiokishida #explosion