A spokesman for Camelot, which runs the Euro Millions Lottery, said Matthew Topham did not wish to comment on anything his mother had said, adding he had not made any comment on anything since his win.
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The Ministry of Defence has named the engineer killed in the Red Arrows crash as Corporal Jonathan Bayliss.
Mrs May and Mr Corbyn both paid tribute to the RAF engineer who died after a Red Arrows jet crashed at RAF Valley on Anglesey yesterday.
The Oscar-winning director filmed part of sci-fi film Real Player one in Digbeth in 2016.