Alex Thomson returns to Ishinomaki's Okawa primary school in Japan, where he finds harrowing reminders of the lives of the 74 children and teachers who died in the tsunami there eight months ago.

See the areas affected by the earthquake, tsunami and nuclear crisis in Japan. Use the slider to change the date and time of events, navigate the map and click on the icons to watch the video.

Eight months on from the devastating tsunami and earthquake which sparked a nuclear crisis in Japan, an expert tells Channel 4 News new signs of fission at the plant are "a concern".

Nearly eight months after nuclear reactors at Fukushima melted down and exploded they are still throwing up surprises, writes Channel 4 News Science Correspondent Tom Clarke.

Japan is expected to sack three nuclear power policy officials, five months after Fukushima witnessed the world's worst atomic crisis in 25 years.

Japan plans to ban cattle shipments from Fukushima in response to growing concerns about the safety of beef originating from the area.

Germany announces plans to shut down all its nuclear reactors by 2022, in a policy u-turn prompted by Japan's Fukushima disaster.