The city of Hiroshima is now on high alert, with many police officers dispatched from all over the country. This is the first time that the G7 summits have been held in urban areas in Japan since Tokyo in 1993.
The main venue hotel is located by the sea, low above sea level, and there are several islands in the vicinity. The police plan to thoroughly implement countermeasures by introducing equipment called "jamming guns" that interfere with the flight of suspicious drones with radio waves. The number of lanes was increased in a part of the road where cars carrying the leaders were expected to pass.