Story highlights Husband of woman allegedly killed by brother pleads for justice

A 22-year-old pregnant woman was killed by brother after being dragged to mother's home, police say

Arrest warrants are out for mother and brother, police say

Islamabad, Pakistan (CNN) A pregnant woman was killed by her family in eastern Pakistan because she married against family members' wishes three years ago, according to police.

Muqaddas Tawfeeq, 22, was eight months pregnant with her second child, her husband, Khalid Tawfeeq said. She visiting a maternity clinic for a checkup Thursday, when her mother appeared and "dragged her away" to her maternal home,Tawfeeq told CNN.

Once there Muqaddas Tawfeeq's brother, Mohammed Adeel Bashir, attacked and slit her throat, Muhammad Tahir, Gujranwala regional police officer, told CNN.

Arrest warrants have been issued for the mother, Amna Bashir, and the brother, who are on the run, police said.

"They hit her with wooden rods and when that didn't kill her, they slit her throat," the grieving husband said. "I want justice, I beseech the prime minister to help me, I want justice."