Boris Johnson has expressed frustration at the drawing out of the HS2 project timescale.
The Mayor of London wrote in The Telegraph that China built its own high-speed rail in just two years.
Meanwhile, he said, Labour are delaying the project further by "shamelessly courting the sceptic vote".
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A weather warning is also in place for Scotland, which could see "treacherous" and blizzard-like conditions on Thursday.
The lorry lost several butane gas canisters as the driver rammed into cars in a dangerous escape attempt that was ended by police gunfire.
The Gambling Commission said: "Integrity in sport is not a joke and we have opened an investigation to establish exactly what happened."