Faye Barker is joined in the studio by Caroline Berger, who is looking for a blood donor to help her mother and Ann O'Leary, from the blood cancer charity Anthony Nolan.
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Masood's body was identified using DNA and fingerprints.
Medical staff who helped during the Westminster terror attack have received a royal thanks for their life-saving efforts.
Temperatures reached 21.8C in Gravesend making it the hottest day of 2017 so far.