Regrettably, despite best efforts aimed towards transnational cooperation, it continues to spread, particularly in the regions of Africa and Asia, Indias Permanent Representative to the UN Ruchira Kamboj said.In her remarks to the United Nations Office of Counter-Terrorism Ambassadorial-level Quarterly Briefing to Member States on Tuesday, Kamboj said the threat of terrorism can only be tackled through consistent and unified multilateral action, by the international community.