It turns out that footway explosions are not so random, after all, but becoming quite regular:
http://www.standard.co.uk/news/london/london-pavement-blasts-on-the-increase-a2916871.html
@Oliver Schick started
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It turns out that footway explosions are not so random, after all, but becoming quite regular:
http://www.standard.co.uk/news/london/london-pavement-blasts-on-the-increase-a2916871.html