'Bloody City' in the Bible

“And you, son of man, will you judge, will you judge the bloody city? Then cause her to know all her abominations.

‘Therefore, thus says the Lord God,“Woe to the bloody city,To the pot in which there is rustAnd whose rust has not gone out of it!Take out of it piece after piece,Without making a choice.

‘Therefore, thus says the Lord God,“Woe to the bloody city!I also will make the pile great.