Karachi, March 26 -- Pakistan International Airlines (PIA) will remain prohibited from flying to and from the United Kingdom, the UK Department for Transport (DfT) confirmed on Tuesday, dismissing speculation of an imminent return after a four-year suspension, The Express Tribune reported.

A spokesperson for the DfT stated that airlines must undergo a rigorous review process before restrictions can be lifted, adding that the UK Civil Aviation Authority was in discussions with Pakistani officials. However, no timeline has been provided for when the ban might be reconsidered.

The UK Air Safety List continues to bar all air carriers certified by Pakistan's aviation regulator from operating commercial flights to, from, or within British air...