nawaz sharif
His party said the decision was a "black spot" on the justice system. Sharif has denied wrongdoing.
The Supreme Court said Sharif is not fit to hold office and ordered a criminal investigation into him and his family.
The government has faced mounting pressure to pass the law against murders carried out by people professing to be acting in defense of the honor of their family.
Most were released and investigators are keeping 216 suspects in custody.
WHAT'S HAPPENING
The Pakistani army said four attackers were killed.
Parents have accused police of failing to stop the abuse.