ISLAMABAD: Senator Aitzaz Ahsan on Tuesday strongly criticised Altaf Hussain’s comments to attack three TV channels Blaming Altaf Hussain for everything that happened in Karachi, on Monday evening, Pakistan People’s Party’s (PPP) Aitzaz urged the use of Article 6 of the constitution thoughtfully this time. “Altaf also threatened to shut-down the Sindh Secretariat, which is as serious a matter as an attack on the Supreme Court,” he said. Calling Urdu-speaking people humble and patriotic, the senator asked them to distance themselves from Altaf Hussain. “The videos of the people who attacked the media were present and they could be identified,” he said and added that they should be arrested and stern action should be taken against them.