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".
More top news
Civil rights leaders called for a probe into claims a southern school took no action against students over an alleged "racial hate crime".
A teenager dressed as a "killer clown" and brandishing a hammer has been stabbed after attempting to scare a group of young people.
Researchers in the US claim they have discovered the answer to the mystery of the Bermuda Triangle.