More than 30 of the coalition's flagship projects, including the HS2 rail link and the Universal Credit system, are at risk of never come to fruition, according to a government report.
The Major Projects Authority (MPA) was set up in 2010 to help governments deliver on large projects, and its annual report rates progress using a 'traffic light' system.
Its latest report gives a 'red light' to the construction of two £7 billion aircraft carriers and the West Coast Main Line scheme, among six other schemes.
Some 23 other projects, which include the HS2 high-speed rail network and Universal Credit, were given Amber/red ratings, meaning that urgent action is required.
More top news
There were shocks, tears and skimpy outfits at the star-studded MTV Video Music Awards in LA.
Ferry services from Calais have resumed in the wake of Sunday's blockade but passengers have been warned they face delays.
US horror filmmaker Wes Craven, best known for A Nightmare on Elm Street and the Scream movies, has died at the age of 76, his family said