Anti-Terrorism Unit of Police and the Counter Terrorism and Transnational Crime unit (CTTC) of Dhaka Metropolitan Police (DMP) has increased its surveillance after banned Islamist outfit Hizb ut-Tahrir (HuT) announced to hold a webinar on February 28 to introduce a draft Constitution to establishKhilafah in Bangladesh, reports New Age Bangladesh. The officials at the CTTC of DMP said they were monitoring the activities of the outfit seeing posters pasted on the walls at places including Mirpur, Farmate, Razabazar, Dhanmondi and Banglamotorin the capital for more than a week. The banned group in its poster said that they would hold a webinar, a seminar on online platforms, from an online television site to live streamed onFacebook and Youtube channel detailing how their Khilafah would ensure the rights of people and how to reunite the ummah.