Islamabad, March 22 -- : Demanding Pakistan's government to "free" her father, Maryam Nawaz Sharif on Friday claimed that former Prime Minister Nawaz Sharif's renal function is "deteriorating further" and "his kidney disease is on stage three".

Ailing Nawaz is currently serving imprisonment in connection with graft cases.

Maryam further state that the doctor who went to check upon Nawaz was made to "was not allowed in and sent back."

"MNS (Nawaz Sharif) had pain in the flanks. His kidney disease is at stage three and the doctor suspects the pain to be of renal origin. His Urea and Creatinine levels MUST be checked. His doctor who I sent to examine MNS was made to wait for two hrs outside the jail, was not allowed in and sent back," tweet...