2nd night of US protests over Breonna Taylor killing

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There's been a second night of protests in the US town of Louisville in Kentucky, following a decision not to prosecute officers who killed the African American woman, Breonna Taylor. Her death has become a rallying cry for the Black Lives Matter movement. Scientists say the effects of climate change have made California more exposed to wildfire than ever before. And dogs are being trained to sniff out Covid at an airport in Finland.