Question: who are ntj sri lanka?
Answer: International links under investigation. National Thowheeth Jama'ath (NTJ; Arabic: جماعة التوحيد الوطنية‎; 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 (ISIL).