Media playback is unsupported on your device

Japan prepares to turn off last nuclear reactor

5 May 2012 Last updated at 14:56 BST

In Japan, thousands of people have taken to the streets to celebrate the switching off of the country's last operating nuclear reactor.

Technicians have begun the process of shutting down the Tomari plant for maintenance.

When the reactor goes offline it will mark the first time Japan has been without nuclear power for more than four decades.

Roland Buerk reports.