Some protesters demonstrating over the death of a black US teen in the city of St. Louis, Missouri, have used milk to ease the pain of those caught in tear gas fired by police officers.
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The Met Office has weather warnings in place for snow and ice until 10am in the north and west.
The plan, which would effectively strip banks of the benefit of recent corporation tax cuts, forms part of the party's election manifesto.
Pop star went into the icy waters of Chicago's Lake Michigan at a fundraiser for the Special Olympics and later said "her weave froze".