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
Firefighters rescued 42 people after they became stranded in the Asda supermarket in Kilmarnock by heavy flooding.
Farmer Gareth Wyn Jones is hoping for a festive online hit with footage of sheepdog Cap rounding up sheep.
For one young Australian, Santa Claus brought the greatest present of all this Christmas - the gift of life.