Amid worldwide alarm over a radiation scare in Japan following the tsunami, India and other BRICS nations today pressed for strict adherence to safety norms for nuclear facilities. They also floated a proposal for mutual assistance in similar incidents.The matter came up for discussion in the summit meeting of Prime Minister Manmohan Singh, Chinese President Hu Jintao, Russian President Dmitry Medvedev, Brazilian President Dilma Rousseff and South African President Jacob Zuma at Sanya, China today. They felt that despite the incident in Japan, nuclear energy is required to be developed. A declaration issued later said nuclear energy will continue to be an important element in future energy mix of BRICS countries.They said international cooperation in the development of safe nuclear energy for peaceful purposes should proceed under conditions of strict observance of relevant safety standards.Addressing the Summit, Singh said nuclear safety has emerged as a major source of concern the world over after the tragedy in Japan. There is need for cooperation in the area and in the disaster relief and management.Medvedev later told the media that Russia proposed for provision of mutual assistance in case of similar disasters as happened in Japan. The Declaration said the leaders were of the view that climate change is one of the global threats challenging the livelihood of communities and countries. They supported the Cancun Agreement.