Pyongyang has reportedly removed all references to reunification with the South in its revised constitution. Also on East Asia Tonight, China calls for a deal to reopen the Strait of Hormuz after talks with Iran's top diplomat. Meanwhile, the US and Iran are said to be closing in on a one-page memo to end the war. 00:00 Introduction 01:28 North Korea removes reunification from revised constitution 05:57 US-Iran close to deal: Report 07:22 Iranian foreign minister in China 11:37 South Korea