Hundreds of protesters in Hong Kong gathered outside the city's Department of Justice on Thursday,... demanding the complete withdrawal of a controversial extradition bill.<br />They say the bill would compromise Hong Kong's legal system by linking the island's judicial system with that of mainland China.<br />They demanded the Secretary of Justice, Teresa Cheng, to come out and speak with them.<br />Another group of protesters gathered outside the police headquarters on the same day, accusing police of using excessive force against protesters.<br />