Its new way of killing Christians in Pakistan by the militant groups. Later in hospital confirmed that death cause was poison injected in his body. Mr. moon have left wife and children in grieve along with many friends. The terrorists wanted to kill same way and tried to enter in house of another Christian religious and social leader in the same period of time some miles away from the killing site of Moon in vicinity of Korangi Industrial police station but failed to enter in house. The family of that Christian leader survived to the administration lodged the report of that incident. This new type of poison death threat has created fear among Christians in Pakistan after the militant attacks on Bahawalpur and Islamabad church killing innocent Christian worshipers. The Karachi administration is failed to arrest the killers of Mr., Ivan Moon till this and militants are at large like the responsible of church massacre. The leaders of Pakistan Christian congress Salim Balouch, Morris Sadiq, Naeem Ul Zaman Khokhar and Shamim gill have stressed upon government to arrest the killers and adopt necessary measure for Christians and community leaders.