Kathmandu. Japan has tightened its security and surveillance system after North Korea launched a suspected ballistic missile.Following the missile launch, Japanese Prime Minister Sanae Takaichi instructed the relevant officials to continuously monitor the developments and collect and analyze necessary information immediately. According to news sources, North Korea fired two missiles towards the Japanese sea at 3 PM local time on Sunday.The Japanese government, as quoted by the media, stated that Prime Minister Takaichi has directed the collection and rapid analysis of all available information related to the missile launch. Officials have also been told to provide accurate and timely information...