Prime Minister Fumio Kishida was evacuated from Saikazaki fishing port in Wakayama City on Saturday morning after a smoke bomb-like object was thrown, followed by an explosion and smoke.
Police authorities said that Kishida was unharmed, and no injuries were reported among the public. Wakayama prefectural police arrested a 24-year-old man from Kawanishi, Hyogo Prefecture, at the scene on suspicion of forcible obstruction of business.
According to Liberal Democratic Party headquarters, Kishida was visiting the port to support the LDP candidate running in the by-election for Wakayama Constituency No. 1.