US President Barack Obama has reiterated his commitment to the defence of Japan and its territories, including the disputed Senkaku islands which are claimed by Japan and China.
During a state visit to Japan, Mr Obama reaffirmed that existing US defence treaties with Japan would be honoured, but urged peaceful dialogue with China over the islands, called Diaoyu in Chinese.
More top news
Spring takes a hike - for the time being
A number of Britons are feared stranded on Mount Everest after the Nepal earthquake triggered a deadly avalanche on Saturday.
Prime Minister defends royals' decision to give birth in a private hospital - instead of going with the NHS