Hong Kong lights candles in memory of Tiananmen Square

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Lawmakers vote on China's controversial new security law on the 31st anniversary of the massacre. Protests are banned because of Covid-19, but demonstrators say they'll still be out on the streets. As protests across the US continue after the death of George Floyd, we speak to the mayor of Rochester, where the National Guard was called in during race riots back in 1964. And a look at the vaccine summit taking place here in London - can it speed up the search for protection from Covid-19?