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CCTV shows scene inside Japan's collapsed Sasago tunnel

2 December 2012 Last updated at 07:38 GMT

A major road tunnel has collapsed in Japan, trapping a number of vehicles and leaving seven people missing, local media reports say.

Several people are thought to be missing after a stretch of the tunnel, 80km (50 miles) west of the Japanese capital Tokyo, collapsed.

Rupert Wingfield-Hayes reports.