Japanese PM Kishida unharmed after explosion heard at port where he was due to speak

A person (bottom) is detained after throwing an apparent "smoke bomb" in Wakayama on Saturday, where Japan's prime minister was due to give a speech. (STR/JIJI Press/AFP via Getty Images)

SEOUL — Japanese authorities evacuated Prime Minister Fumio Kishida to safety after an explosion was heard at a port where he was due to give a stump speech.

One police officer was slightly injured, and a suspect was detained for allegedly throwing an explosive during the campaign event.