It's staying mainly cloudy but brightening up this afternoon. Temps mild but about 4 degrees cooler than yesterday (17 degrees).
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His shock decision to pull out of the Tory leadership contest came at the end of a speech where he appeared to set out his credentials.
The two newborn Sumatran tigers who are yet to open their eyes were born at London Zoo on Monday.
Boris Johnson has ruled himself out of a bid for the Tory leadership.