Japan's government says airport and seaport facilities need to be ready for use in the event of emergencies in order to bolster the country's defense capability.
China has been increasing its surveillance of Japanese nationals following Tokyo's decision to release treated radioactive water from the crippled Fukushima No. 1 nuclear power plant, sources close to the matter said Sunday.
Russia's state-run TASS news agency has reported that North Korean leader Kim Jong Un has arrived in the Russian far eastern city of Komsomolsk-on-Amur, which is located in the Khabarovsk region.
Russian Foreign Minister Sergey Lavrov spoke to reporters on Wednesday about his country's "new stage of relations" with North Korea. He did not offer up details on any weapons deals with the North but instead blamed Western leaders for providing arms to Ukraine.
Cambodian authorities have reportedly detained a group of 20 or more people, including apparently Japanese nationals, in Phnom Penh. The group may have been involved in online scams.