Kabul, Mar 27 (IANS): The families of the people who were killed in terror attack on a gurudwara in Kabul earlier this week has demanded the Afghan government to launch an investigation into the massacre.

The Islamic State Khorasan (ISKP) claimed responsibility for the terror attack on the Sikh shrine in Kabul's Shorbazar area on Wednesday morning in which at least 25 members of the Sikh community were killed.

While one suicide bomber detonated himself at the entrance, three IS terrorists stormed the shrine when around 150 people were inside.

"We want investigations, our people have been killed," TOLO News reported on Thursday citing Dip Singh, the relative of a victim, as saying.

"In which book do you come to attack a mosque and attack a Dharamshala. In what religion does that happen?" said Andar Singh, another family member.

Children, who were studying in the gurdwara, said that gunmen killed their teachers In front of them.

"Three people came here. They did not see us and we were not killed. I wish I was killed. We Were hiding in a room," TOLO News quoted Gorjit, a witness, as saying.

"They had military clothes and opened fire. We have been killed completely, my father is dead, my grandfather is dead, and my sister has also died," said Hervina, another witness.

Afghanistan's miniscule Sikh community is a religious minority in the country. There are only about 300 members of the community remaining in the war-torn country.