British Triathlon, the sport's national governing body, has tweeted that Jonny Brownlee is receiving medical attention following the triathlon.
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Dry for most of the night. Rain in the southwest by dawn.
Host Paddy McGuinness tweeted a tribute to contestant Charlie Watkins whose date was featured in Saturday's episode.
A police raid uncovered what is believed to be cocaine that had been stashed in nappies, and 40 cannabis plants.