There were chaotic scenes inside Hong Kong's Immigration Tower on Friday (June 21) as protesters gathered to block citizens from entering the government building.<br /><br />In video filmed on Friday afternoon, a senior citizen is seen trying to enter the building but is prevented from doing so by protesters and ends up having some kind of quarrel.<br /><br />"Block him, block him!" one voice can be heard saying.<br /><br />Another says: "Let us protect you, OK? Let us protect you, uncle. There is nothing inside. They have finished work. Let people leave first, OK?"<br /><br />Thousands of protesters gathered again on Friday demanding Chief Executive Carrie Lam resign and fully withdraw a contentious bill to allow extraditions to mainland China.<br /><br />Some staged a sit-in inside Immigration Tower.