Osaka

The possible suspect is believed to be among the three people who survived the fire and were in severe condition, police said.

The memorial is meant to commemorate women who were sexually enslaved by Japan's Imperial Army during WWII. Osaka's mayor has long threatened to sever relations with the California city because of it.

The temblor caused severe damage to roads, bursting water mains and setting fires across the prefecture. Crumbling concrete walls killed two people, while another was struck by a bookshelf.