KARACHI: Sindh's Provincial Home Department issued a notification on Monday imposing Section 144 which bans all political gatherings and display of weapons in the city.

All carrying permits for licensed weapons stood cancelled after the notification.

Pakistan Tehrik-i-Insaf supporters on Sunday staged a demonstration at the Teen Talwar roundabout in Clifton protesting against what they described as massive rigging during the May 11 vote.

The protest demonstration was joined in later by Pakistan Muslim League-Nawaz and Awami National Party supporters.