Police in Osaka say what is believed to be a gunshot was heard in the city of Suita on Sunday morning shortly after a police officer was stabbed and had his handgun stolen.
The Japan Coast Guard says more than 300 North Korean fishing boats have been spotted in Japan's exclusive economic zone off the Noto Peninsula since late May.
Economy Minister Mansour Bteish said on Saturday that the flow of Syrian refugees to Lebanon led 200,000 Lebanese people to live under the poverty line, the National News Agency reported.
Japan has used the G20 meeting to propose setting up an international framework for cooperative research into how to dispose of high-level radioactive waste from nuclear power plants.
Saudi Crown Prince Mohammed bin Salman has warned against "exploiting" the murder of journalist Jamal Khashoggi for political gains, in what appeared to be a veiled attack on Turkey.
Seven candidates for the leadership of Britain's governing Conservative Party made it through Thursday's first round of voting, with the eventual winner set to replace Theresa May as prime minister.
