Hizb ut-Tahrir in Bangladesh organized a rally outside the national mosque after Jummah prayers on 4th September 2009 calling for the re-establishment of the Khilafah "Caliphate" and a unified Muslim Army. The rally was called Badr Victory rally in remembrance of the victory of the Islamic state against the Quraysh at the Battle of Badr on 17th Ramadhan in the second year of Hijrah. Police prevented the rally and arrested 30 members and activists of the party. The rally was attended by several thousand Muslims. When they gathered to hold the rally after the prayers plain clothed officers started arresting them. The police snatched the shahadah flags, banners and placards from party members. They even arrested the general public who protested against their illegal actions.  

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