The postal service delivered just 75.9pc of first-class letters and 89.3pc of second-class post on time between the end of March and June

The postal service delivered just 75.9pc of first-class letters and 89.3pc of second-class post on time between the end of March and June

The postal service, which is already under scrutiny after it increased the cost of a first-class stamp to £1.70 in April, is failing to meet the targets imposed by the watchdog.