A suicide plane exploded himself among lovers at the Sufi holy place in the town of Sehwan.
Pakistan has responded with strikes the nation over and by lashing out at Afghanistan which it blames for enduring aggressor havens.
Alleged Islamic State said it had completed the assault.
It was the most recent in a series of bombings by the jihadist aggregate.
Accordingly, somewhere in the range of 18 activists were murdered in southern Sindh territory, where the Sufi sanctuary is found, and another 13 in the north-west, authorities said. It is indistinct where the other charged fear based oppressors were slaughtered.
Fringe intersections with Afghanistan have been shut and rockets have been let go into two Afghan regions.
Funerals for casualties have been occurring on Friday and the Sindh common government has reported three days of grieving.
Somewhere in the range of 250 individuals were additionally injured in the assault.
PM Nawaz Sharif denounced the besieging and promptly promised to find those behind it.
Pakistan’s armed force boss, Gen Qamar Javed Bajwa, said in an announcement: “Each drop of the country’s blood might be retaliated for, and vindicated promptly. No more limitation for anybody.”
Military representative Maj Gen Asif Ghafoor said more than “100 fear mongers” were killed and numerous others captured in 24 hours as a major aspect of operations the nation over, including Punjab area.
He said more points of interest would be shared later. Journalists say that the crackdown is a consistent reaction taking after a noteworthy activist assault.
Prior, the paramilitary Rangers said they had focused on aggressors overnight in Sindh, while police said additionally strikes were done in Khyber Pakhtunkhwa in the north-west.
The administration additionally summoned authorities from the Afghan international safe haven, dissenting that Afghan soil was being utilized as a base for aggressors to do assaults in Pakistan.
Pakistani authorities supposedly gave over a rundown containing the names of 76 “most needed psychological militants”, demanding that Afghanistan make quick move against them.
Afghan President Ashraf Ghani on Friday censured the altar assault, saying: “Psychological militants by and by demonstrated that they have no regard for Islamic qualities.”
Aficionados kept on rushing to the hallowed place of Sufi holy person Lal Shahbaz Qalandar in Sehwan on Friday.
The state of mind was resistant, with the standard naqqara (drum thumping) occurring at sunrise of course, and admirers vowing to hold their routine dhamal (hallowed move) at night.
There were additionally furious scenes, with a few admirers grumbling to police that they had not sufficiently given security notwithstanding past dangers to the altar.
The place of worship assault was the most lethal in a progression of aggressor assaults since Sunday that have killed more than 100 individuals crosswise over Pakistan, including regular people, police and troopers.
Various aggressors, particularly numerous individuals from the Pakistani Taliban assemble (TTP), moved to Afghanistan after the Pakistani military’s operation in North Waziristan in 2014.
They are for the most part situated in eastern Afghanistan in zones thought to be outside the Afghan government’s control. Some of these aggressors later joined the Islamic State gather. The Afghan government demands it has been focusing on them and has executed a few Pakistani Taliban leaders in the course of recent years.
At the point when an assault happens in Pakistan, authorities for the most part blame Afghanistan. Pakistanis accuse components in the Afghan insight office and India’s Research and Analysis Wing (RAW) for supporting activists who complete assaults against Pakistan.
Afghan authorities see this as affectation, blaming Pakistan for segregating amongst “great” and “terrible” activists. They blame Pakistan for permitting on its dirt activist gatherings that assault Afghanistan and India. They additionally indicate the nearness and murdering of various top-positioned activist pioneers, including Osama Bin Laden and the Afghan Taliban pioneer Mullah Akhtar Mansour, in US strikes in Pakistan.
“Habitual pettiness” has turned into a standard as the nations blame each other for utilizing activist gatherings as intermediaries. The fringe conclusion and crisp affirmations by Pakistan will additionally disintegrate the little trust that exists between the two governments.