BBC Breakfast Sunak twice refused to guarantee the increase would go ahead in April 2022.It comes as the Work and Pensions Secretary Therese Coffey announced yesterday that the £20-a-week increase in Universal Credit introduced at the start of the covid pandemic will be slashed in September.An increase in the pension rate is expected to cost the taxpayer around £4billion.Sunak said: "The triple lock is the Government's policy but I very much recognise people's concerns."I think they are