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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Corrie's iconic Deirdre Barlow will be killed off tonight following the death of the actress Anne Kirkbride.
Kelly Chadwick,15, has leukaemia and is appealing for more mixed race and African-Caribbean people to join Anthony Nolan register.
The Chancellor, and Tatton MP, George Osborne will deliver his first conservative budget later.