Cricketer-turned-politician Imran Khan says he will end corruption in Pakistan within 90 days of coming to power. <br /><br />He was speaking at a rally in Karachi where some estimates suggest that more than 100,000 people turned up to hear him speak.<br /><br />Khan's party, Pakistan Tehreek E Insaf, might be 15 years old. but never before has he ever drawn such large crowds.<br /><br />The demonstrations was billed as a peace rally, an attempt to restore confidence.<br /><br />But the journey for change is still shadowed by uncertainties.<br /><br />Al Jazeera's Kamal Hyder reports.
