jonathan blake, bbc news, washington. >> you're watching "bbc world news" with me, tim willcox. our headlines this hour -- burmese opposition leader, aung san suu kyi, gives her first major foreign speech in a near quarter century. and syria's opposition say there's been another massacre of civilians by militia, the third in a week. here in london, final preparations are underway for this weekend's diamond jubilee celebration. four days of events are planned across the u.k. to mark queen elizabeth's 60 years on the throne. let's go to just outside buckingham palace to mishal husein, who joins us now. >> yes, we're live at buckingham palace. not many monarches get to a mile stein like 60 years. 1897 was the last time britain saw an occasion like this. that was the year queen victoria marked the occasion with her own 60 years on the throne. so this is a special moment for queen elizabeth herself and also an opportunity for britain and the commonwealth to share in the celebration. you can imagine the changes that the queen has seen in these 60 years, prime ministers coming and goin