At least 78 people killed in aid stampede in Yemeni capital

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For some Singapore context, think of Little India Riot, New Year Countdown, F1 race...and every time a popular new product is launched (think the latest iphones or the crazy queues over Hello Kitty plush toys at McDonald's).....or freebies....

 Some of us recently did the ACJC prelim 2021 compre on the effects of crowds....make the connection....