Known as proposition bets (or "prop bets, " in Vegas lingo), they allow people to lay down money on anything from the length of the national anthem to whether either team will score a two-point safety.

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Local media in Phnom Penh said that the entire length of the city's popular riverfront area lay in darkness, as crowded restaurants served tourists by candlelight and water supplies - that rely on electricity - began to dry up.

BBC: Crane driver mistake plunges Vietnam into darkness