An explosion at a shrine in southern Pakistan has killed and wounded dozens of people.
Medical workers told Al Jazeera that at least 40 people were killed in the blast, and at least 60 were injured.
The explosion went off at the Lal Shahbaz Qalandar Sufi shrine in the town of Sehwan, in Sindh province, as a ritual was being performed.
The Islamic State of Iraq and the Levant (ISIL, also known as ISIS) group claimed responsibility for the attack via it Amaq website.
Sikandar Mandhro, Sindh's health minister, told Al Jazeera: "There was a huge crowd gathered there for the [religious gathering] at the shrine, and there was a very big explosion."