One Direction have paid tribute to teenage fan who died after suffering a suspected heart attack at school in Hounslow on Tuesday.
Magadelena Szablinska regularly met members of the band and ran a twitter fan site called 1DCrew.
Harry Styles tweeted 'It's incredibly sad to hear the news about Magda. She was so so lovely, I am thinking of her and her family'.
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George Michael died in December last year at the age of 53.
PC Keith Palmer, 48, stabbed by Khalid Masood while on duty in the grounds of the Palace of Westminster last Wednesday.
Those gathered on the bridge fell silent at 2.40pm - the time the first call was made to police exactly seven days ago.