Pakistan’s opposition party of former prime minister Imran Khan ended its protest in the capital Islamabad on Wednesday as the government arrested hundreds of its supporters in an overnight crackdown after two days of deadly demonstrations.

Pakistan’s government has launched a crackdown and arrested several protesters of former prime minister Imran Khan’s party that started a sit-in in Islamabad to demand his release from jail, according to the opposition political party.

The demonstrators want the federal government to resign over what they call rigged general elections this year.