Thousands of cyclists turned out, despite the miserable weather, to urge London's mayoral candidates to prioritise cycling safety.
They want London to become as safe as Holland for people travelling on two wheels.
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Large plumes of black smoke could be seen coming from the boat which caught fire while anchored on the River Thames.
London mayor Boris Johnson is under pressure to issue health warnings about his new double decker bus during the heatwave.
It's all over in a split second when you watch on TV. But just look at what happens when a serve at Wimbledon is played in super slo-mo.