Several police officers could be seen grappling with a man at a crowd barrier several news agency reported he shouted this country was built on the blood of slaves as he was being detained.

可以看到几名警察在人群中与一名男子扭打，几家新闻机构报道称，这名男子在被拘留时高喊“这个国家是建立在奴隶的鲜血之上的”。