QPR player Joey Barton has tweeted:
Thomas Hitzlsperger has shown a lot of courage today. Sad times when people have to wait till they retire from their chosen profession...
...before the feel other people will judge them solely on who the human being is. Shame on all of us as a society.
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Mayor of London Sadiq Khan is backing the scheme.
Sunday will be a fine day across much of Scotland and northern England, with much less coastal mist and low cloud than yesterday.
A spokesperson said the lightning strikes had left the "aircraft fuelling system unavailable."