1992-94

From 1992 to 1994, the MQM was the target of the Pakistan Army's Operation Clean-up, The period is regarded as the bloodiest period in Karachi's history, with thousands of MQM workers and supporters killed or gone missing.^[3][4][5] Although 25 years have passed since the alleged arrest or disappearance of MQM workers, families of the missing people are still hopeful after registering the cases in the Supreme Court of Pakistan.^[6] The operation left thousands of Muhajir civilians dead.^[7][8] During the operation clean-up there was growing evidence that the Rangers and police were involved in human rights abuses, including beatings, extortion, disappearances, torture and extrajudicial executions of suspected militants in faked encounter killings of Muhajirs.^[4] The police and army carried out raids, mass round-ups and siege-and-search operations in pursuit of MQM(A) leaders and militants over the next 30 months, thousands of ordinary MQM supporters and Muhajir were subjected to arbitrary arrest and detention, extrajudicial execution, beatings, torture, extortion and other ill-treatment.^[4][9]

1994-96

During tenure of Benazir Bhutto, interior minister General Naseerullah Babar conducted second operation against MQM between 1994 and 1996.^[10] On 5 September 1995, 8 MQM supporters were killed and 11 were injured when security forces attacked what the MQM billed as a peaceful protest against abuses by security forces against MQM women workers.^[11] Due to serious doubts over credibility of operation due to fake encounters, extra judicial killings and rise of killings in Karachi,^[12] Benazir Bhutto's government was dismissed by the then President of Pakistan, Farooq Ahmed Laghari.^[13]

2015-16 operations

In 2015, a senior policeman, who declined to be named, put the figure of deaths of MQM workers at 1,000, saying a majority of the deaths were extrajudicial killings.^[14] Three other serving officials confirmed the assessment.^[14] In 2015, the HRCP expressed concern over the rise in extrajudicial killings and lack of transparency about the number of MQM activists picked up or later let off.^[15] During Nine Zero raid, MQM worker Waqas Shah was brutally shot down by Ranger's 9mm pistol fire from point blank range. The video evidence released on electronic media confirmed the incident.^[16] Farooq Sattar's coordination officer Syed Aftab Ahmed was killed while in the custody of paramilitary forces. Initially the force denied torture and stated that he died of heart attack but it had to accept after social media publicized videos of torture marks on Aftab's body and autopsy report conforming death due to torture.^[17][18][19] During the raid on Nine Zero, Syed Waqas Ali Shah was shot by rangers, “Don’t misbehave with the women,” were said to be the 25-year-old Shah's last words to Rangers personnel, who according to eye-witnesses accounts were shoving and pushing women protesting outside the MQM headquarters.^[20] As a result of operation, MQM claims 67 of its workers have been extra judicially murdered the paramilitary force while 150 are still missing and more than 5,000 are behind bars. The Amnesty International, US state department, United Nations Human rights commission has published several documents highlighting gross human rights violations during the targeted operation against MQM.^{[21][22][23][24][25][26][27][28][29]}

Qasba Aligarh Massacre

The Qasba–Aligarh massacre was a massacre that happened when recently settled armed tribal Afghan Refugees attacked densely populated civilized locals in Qasba Colony, Aligarh Colony and Sector 1-D of Orangi in Karachi in the early hours of the morning on 14 December 1986.^[30] According to official reports, around 49 people were killed (unofficial reports are significantly higher at 400) and several hundred were injured in what was perceived as a "revenge killing"^[30] by newly settled armed Afghan Refugees following an unsuccessful raid on an Afghan heroin processing and distribution center in Sohrab Goth by the security forces.^[31] Most of the residents of the two colonies happened to be Muhajirs like Biharis who had been freshly repatriated from Bangladesh.^[32]

Pucca Qila Massacre

On 27 May 1990, Sindh government launched a crackdown in Hyderabad, the center of MQM power. A shoot- on-sight curfew was imposed, and a police house-to-house search began. The Muhajirs protested at this treatment and fighting broke out. In what has become known as 'the Pucca Qila massacre'. More than 250 women and children were killed, leading to retaliations in Karachi and elsewhere and over 300 more deaths.^[33]

1988 Hyderabad Massacre

The 1988 Hyderabad massacre, also known as Black Friday was the coordinated massacre of more than 250 Muhajir civilians in Hyderabad, Sindh near Hyderabad cantt on September 30, 1988.^[34] Identified gunmen, led by Sindhi nationalist and terrorist Qadir Magsi, opened fire on a large unarmed crowd. Sindhi nationalists, including Qadir Magsi, and the Sindh Taraqi Pasand Party, were widely seen as responsible for the massacre.^[35]

Protest at UN Headquarters

Muhajirs from Pakistan held a peaceful demonstration in front of the United Nations headquarters in New York against the alleged human rights violations in the country.^[36] Displaying placards and banners calling the Pakistan Army generals "war criminals". The protest was organised by the United States wing of the Muttahida Qaumi Movement (MQM). The protestors claimed that thousands of innocent people of their community have been killed in Pakistan over the last three decades and several thousands have been held under illegal captivity without a trial.^[36]

Protests in United States

Protests in Canada