. >> that was rupert hayes in tokyo. we will have more on this, but the way, in a moment, but let's take a look at some of the other stories making headlines around the world today. nato has been concerned that three of their troops have been killed in afghanistan. the device is believed to be -- believed to have been detonated, killing an interpreter as well. the japanese prime minister has appointed a popular foreign minister to his cabinet. the appointment is being seen as an attempt to improve relationships with beijing after a period of high tension over disputed islands in the east china sea. 20 years in prison on charges of setting rebellion, human rights groups have condemned the conviction, saying that it is part of a continued campaign against government critics. the prime minister demanded in june that the journalist be arrested for allegedly plot to overthrow the state. tops go back now to our story of the aging population and the challenges of that across the world. our international correspondent has been f