Sacha Langton-Gilks, whose 16-year-old son David has just days to lives after a long-running battle with a brain tumour, speaks to ITV News in a bid to raise awareness of the symptoms and to increase the chances for other children.
Speaking to Mark Nightingale she said the condition kills two coach loads of children every year and youngsters are as likely to get a brain tumour as meningitis.
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Colo became a mother of three, grandmother of 16, great-grandmother of 12 and great-great-grandmother of three.
The district's director of homeland security has said officials are planning for 800,000 to 900,000 people to attend the ceremony.
The Supreme Court is set to decide on whether disabled travellers are legally entitled to have priority use of wheelchair spaces on buses.