As protests continue in Hong Kong over the Extradition Bill some activists have allegedly vandalised The Hong Kong Federation of Trade Unions Workers' Club building on August 17.<br /><br />Footage shows the front of the building plastered in black spray-paint with some Chinese characters sprayed next to English profanity. <br /><br />The filmer alleges the vandalism occurred when masked black-shirt protesters took part in a march between the Hung Hom, Kwa Wan and Mong Kok areas of Hong Kong.