Bolton Council has confirmed a visit to the leisure and research facility Bolton One by Princess Anne has also been cancelled.
The Princess Royal was also due to tour Bolton Hospital today, but that has also been called off.
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Police have launched an investigation after a man was found dead in Miles Platting in Manchester.
Four men aged 43, 45, 46, 58 and three women aged 36, 50 and 53 have been arrested on suspicion of murder
Slow improvement through Sunday with humidity rising. Best of the sunshine in the south on Monday and feeling very warm.