Prime Minister Nawaz Sharif is scheduled to return to the country on May 27 after medical check-up in London.
The premier on Wednesday in his second round of heart treatment visited a private clinic for a medical check-up in London.
Read more: PM Nawaz to stay for 24 hours in London clinic
PM Nawaz earlier went to London on April 14 for the medical check-up.
The visit was undertaken at a time when the opposition parties had stepped up pressure on the Pakistan Muslim League-Nawaz (PML-N) government in the wake of the Panama Papers revelations.