Ukraine says it has captured a thousand square kilometers of Russian territory since its troops rolled into the Kursk region a week ago. An expert says Kyiv is using the offensive as a bargaining chip in future negotiations (01:08). The Iranian president says his country has a right to respond to Israel's killing of the Hamas chief in the Iranian capital (11:25). A former member of Japan's notorious Unit 731 has visited Harbin in northeast China and apologized for Japanese war crimes (23:51).