A state pension age increase to 68 could “speed up” the generation of revenue to pay for the triple lock, a former Government minister has warned. Former Conservative MP Lord Willetts said there was “precedent and evidence” which suggests the retirement benefit’s age threshold could be raised sooner than previously expected. He told The i that the Government is set to raise the state pension age to 67 by the next Parliament but noted a “further increase could be sped up”. Lord Willets explained: “The argument was, if we speed up the increase in the pension age, there will be fewer pensioners, …