Sir Ranulph's car was in collision with a Nissan Micra travelling in the opposite direction, then a Ford Focus, before it mounted a pavement and came to a halt near the front window of an Italian restaurant.

BBC: Sir Ranulph Fiennes charged after crash in Stockport

The brothers, both of Whitworth Way, Irthlingborough, died when their Vauxhall Tigra was involved in a collision with a Fiat which was travelling in the opposite direction at Burton Latimer.

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The collision at 15:50 GMT at Swavesey was between two buses heading in the direction of St Ives, Andy Campbell from Stagecoach said.

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And when such a collision does occur, the pattern of light produced gives away not only the type of neutrino, but the direction it was travelling in.

ECONOMIST: Neutrinos