Key facts
- China's defense minister will open the Xiangshan Forum on Sunday.
- Singapore's Chan Chun Sing is scheduled to speak at the forum.
- The forum is taking place amid heightened regional tensions.
China's defense minister is set to open the annual Xiangshan Forum in Beijing on Sunday, an event that typically sees the country articulate its security views amid ongoing regional tensions. The forum is expected to feature criticism of the United States and its allies. Singapore's Chan Chun Sing is scheduled to speak at the defense conference.