National Thowheeth Jama'ath ( NTJ ; ; '' Jamā ‘ at at-Tawḥīd al-Waṭanīyah '' , " National Monotheism Organisation " ) was a Sri Lankan jihadist group implicated in the 2019 Sri Lanka Easter bombings . It is believed to have ties to the Islamic State . President Maithripala Sirisena banned National Thowheed Jamath on 27 April 2019 and designated it as a terrorist organisation as well as Jammiyathul Millathu Ibrahim
2019 Sri Lanka Easter bombings
2019 Sri Lanka Easter bombings
National Thowheeth Jama'ath