KARACHI: Dr Asim Hussain on Friday suffered transient ischemic attack (TIA), often referred to as mini-stroke,inthe`sub-jail`of theJinnahPostgraduate Medical Centre (JPMC), hospital officials said.They added that doctors took him for an emergency check-up where his MRI and CT scan tests were conducted.

`Dr Hussain is currently under observation,` doctors said. They added that the attack might be the result of high blood pressure and excessive stress. The doctors advised him for complete rest.