Public security
Campaigners said his founding of the scouting movement “can be no excuse for his documented homophobia, racism and enthusiastic support of Hitler".
The previously secret documents also warn of disease outbreaks, public disorder and huge traffic jams in Kent.
"There is NO Active Shooter at Dupont Circle. There are injuries from people running from what they thought were gunshots," tweeted the deputy mayor for public safety.
I can never escape my nightmare but I don’t want this to happen to any other family unnecessarily. That's why I'm calling for Martyn's Law.
There is a serious risk that crucial aspects of security cooperation could end after Brexit - putting public safety at risk
The UK could be locked out of key security databases.