What does this mean? Do they just let everyone leave?

From a comrade

Hey, got a resource of its alright to share. This is Boston PD chatter.

Text channel monitoring Boston police scanner. Currently monitoring MA STATE POLICE and BOSTON METRO AREA WEST scanners. Checked pinned for more info.
https://news.1rj.ru/str/BostonScanner

#Minneapolis.

https://twitter.com/iwriteok/status/1267325603331489792?s=21 something weird is going on with Twitter videos

They are literally beating up their own cars and posting it social media — wtf??

#Boston

https://twitter.com/nightcrwlrs/status/1267317515195158530

#Seattle Gov Inslee has mobilized national guard statewide, rather than just the 200 in Seattle right now. We'll probably see the brunt of this tomorrow

Two parties, one system.

#OlympiaWA live feed —>

https://www.facebook.com/ThurstonNewsWeather/videos/1186058771757372/

#Seattle Traffic cam that was pointed at a line of national guard was just pointed at the sky

#Phoenix Possible white supremacists near protest! Stay safe https://twitter.com/captatheism/status/1267312884796669953?s=21

#Olympia WSP aircraft registration # N305DK circling Olympia - https://flightaware.com/live/flight/N305DK

#Olympia - Tumwater PD units in place @ 4th & Adams.

Group will be locked in and pushed north.

#Portland Police throwing tear gas at crowd and in cars. People kicked back towards police.