India, March 24 -- Former Pakistan Prime Minister Imran Khan has raised serious concerns over the "inhumane treatment" of his wife Bushra Bibi in prison, alleging that authorities are using her to "blackmail" him.

In a rare phone call with his son Kasim Khan over the Eid weekend, Khan issued a strongly worded statement criticising Pakistan's judiciary. The remarks were later relayed publicly by Kasim, who spoke to his father on Saturday.

This marks Khan's first public message since concerns emerged over his deteriorating eyesight. The former cricketer-turned-politician has been undergoing treatment and received his third round of eye injections on Monday.

"The judges in this country should be ashamed of themselves. Time and again we ha...