eric: it was another day of protests in hong kong, the demonstrators surrounding police headquarters and other government buildings, shutting them down, this coming as the government there refuses to soots phseasphitosatisfy demande controversial extradition bill. we have the latest from hong kong. hi, greg. reporter: it is quiet along the harborfront in hong kong, nothing like the scene that this neighborhood saw last night. yeah, thousands of pro-democracy activists beseiged the police headquarters, also several other government buildings, the whole thing lasted about 15 hours. it is an aggressive new phase of the unrest. they are upset about the proposed extradition law and a whole lot of other things. protesters hurled oil and eggs, scrawled graffiti along the