Police were searching the offices on Tuesday of the company operating an expressway tunnel where hundreds of concrete ceiling slabs collapsed onto moving vehicles below, killing nine people.
Japan ordered inspections of ageing highway tunnels on Monday after a fiery collapse that killed nine people, as suspicion over the cause of the accident centred on decaying ceiling supports.
At least nine people died after a major Japanese road tunnel collapsed at the weekend, trapping vehicles and sparking a blaze, media reports said on Monday.
Japanese rescuers found five charred bodies in an expressway tunnel that collapsed yesterday, crushing cars and triggering a blaze, and sparking fears of another cave-in.
Japanese rescuers found five charred bodies in a highway tunnel that collapsed on Sunday, crushing cars and triggering a blaze, and sparking fears of another cave-in.