これ既出？
パージサイレンだとしたら始まったってこと？

JUST IN - Someone on a scooter playing the ominous "purge siren" on a loud speaker as DC goes into lockdown and gets ready for the big day tomorrow.

https://twitter.com/disclosetv/status/1351709767706832897?s=21
https://twitter.com/5chan_nel (5ch newer account)