(CNN) Protesters marched for a second day Thursday in the Pakistani city of Kasur over the rape and murder of a seven-year-old girl whose body was found dumped on a garbage pile.

Zainab Amin's killing has angered local people who say the authorities in Punjab province have done too little to keep their children safe after a series of similar killings.

At least two people died Wednesday as protesters clashed with police.

Punjab's Chief Minister Muhammad Shehbaz Sharif ordered police to arrest the girl's killers in the next 24 hours and offered a 10 million Pakistani rupee bounty (over $90,000) for anyone who helps identify those responsible.

He also asked police to provide full details of the 11 murders of young girls in the same area before that of Zainab.

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