Abu Qatada has arrived home in London. He made no comment to waiting journalists.
A small group of protesters who had gathered outside chanted: "Out, out, out."
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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.