Japan's National Institute for Defense Studies says the Chinese military is rapidly promoting development of core technologies in cooperation with the private sector, to boost its capabilities in cyberspace and outer space.

The institute on Friday released its annual report on China's military development, focusing on the country's military-civil fusion strategy.

Survivors of the 1945 atomic bombings of Hiroshima and Nagasaki have expressed hopes that US president-elect Joe Biden will promote nuclear disarmament.

Speaking to NHK on Sunday, the acting leader of the Hiroshima branch of the Japan Confederation of A- and H-bomb Sufferers Organizations, Mimaki Toshiyuki, offered congratulations on Biden's projected win.