Curfew imposed in Washington post protest outside White House

Since the death of George Floyd, America has been burning. The residents have been protesting and demanding justice. An American police official has been accused of murdering George Floyd publicly. This is why the protests erupted in at least 30 cities. The police officials have been trying to assuage the raging protesters. 
Protesters had recently reached in front of White House and protested. Post this, curfew has been imposed in Washington DC