'Queen of the Lake', owned by Windermere Lake Cruises, is taking part in the Jubilee River Pageant on the Thames on Sunday afternoon. It will join 1000 other boats in a 7-mile-long flotilla to celebrate the Diamond Jubilee.
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The woman is described as being around 50 years old with short spikey purple hair.
A man has been arrested under the Psychoactive Substances Act 2016, less than 24 hours after it came into force, banning 'legal highs'.
Compared to the last few days, it looks like an improvement over the next few days. Some uncertainty about Monday though.....