Pakistan police have arrested a woman and her three accomplices for allegedly killing her pregnant daughter-in-law over suspicion of witchcraft.

The incident happened in Sialkot region of Pakistan.

The victim was identified as 30-year-old Zara Bibi.

She was allegedly killed by her mother-in-law and sister-in-law over a domestic dispute.

The victim's body was dismembered, stuffed into a sack, and disposed of in a drain.

Shabbir Ahmed, the victim’s father, reported to police that her daughter was married to Qadir Ahmed.

They were married four years ago and they have a son.

Shabbir alleged that Zara's mother-in-law and daughter-in-law tortured her.

Malik Waqas Ahmed, the spokesperson for the Sialkot District Police Officer (DPO), told Dawn.com that the Motra Tehsil Police Station had registered a first information report (FIR) against five persons, including the mother-in-law Sughran Bibi.

Police said four suspects have confessed to their crime.

“During the police investigation, Sughran Bibi said that her daughter-in-law used to perform magic,” Malik told Dawn.com. “The suspect said that Zara Bibi had been strangled to death. Later, the dead body was cut into pieces and sealed in five sacks to hide it.”

The murder weapon has been seized.