Islamabad- Pakistan Tehreek-e-Insaf (PTI) Chairman Imran Khan has directed “all Pakistanis” to break all barriers and join him to celebrate ‘Azadi’ at D-Chowk tonight. In a message posted on Twitter, Imran Khan warned police to release his party workers else they would punish them for “unlawfully” detaining the PTI’s activists. “I want all Pakistanis to get here breaking all barriers. Warning police to release our people or we will punish them for unlawfully detaining our people,” he twitted. “Tonight we will celebrate ‘Azadi’ at D Chowk,” he added.