The attack was believed to be a "revenge killing" as a result of an unsuccessful raid on an Afghan heroine processing and distribution centre in the Sohrab Goth area by the security forces in Karachi. Some of the less notable massacre include 1988 Hyderabad, Sindh massacre, allegedly orchestrated by Sindhi nationalists on September 30, 1988, claiming over a thousand muhajir lives by firing indiscriminately at passers-by and shopkeepers, as well as at children, adults, and women; Pucca Qila Massacre, orchestrated by Sindh Police on 27 May 1990, claimed the lives of more than 31 Muhajir women and children; Operation Clean-up, a targeted crackdown on the ethnonationalist MQM political party by security forces claimed tens of thousands of lives, including Muhajir civilians. The European Muhajir Network claimed that that over 1.3 million Muhajirs have died in Pakistan as a result targeted killings and genocides. Enforced disappearances Thousands of Muhajirs, believed to be the workers or sympathizers of the MQM political party have been targeted in enforced disappearance cases by state authorities in Karachi. See also Stranded Muhajirs in Bangladesh Muhajir Qaumi Movement Jinnahpur List of people from Karachi List of Muhajir people Notes References Further reading Pakistan: The Sindhi-Muhajir conflict Gene Diversity among Some Muslim Populations of Western Uttar Pradesh Gene Diversity Analysis and Microdifferentiation Process in North Indian Muslim Populations The crisis of Mohajir identity Harris Khalique. The News International. The Captive State: Corruption, Intelligence Agencies, and Ethnicity in Pakistan External links Muhajir diaspora Quotas and Karachi The Mohajir Identity in Pakistan: The Natives’ Perspective Muhajir communities Social groups of Pakistan Ethnic groups in Pakistan Social groups of Sindh Cultural assimilation Muhajir diaspora Indian emigrants to Pakistan Islamic terminology Urdu-speaking people