The National Capital Commission has some advice for how to behave around black bears.
Bear Safety Tips for the Backcountry - Gaia GPS
How To Take Bear Care When Hiking With Your Dog
UPDATE: ByWard Market bear has been tranquilized and removed from a tree
Bear Safety Tips for the Backcountry - Gaia GPS
What to do about black bears The Humane Society of the United States
Staying Safe Around Bears - Bears (U.S. National Park Service)
Bear attack a reminder to be safe in the backcountry - Tumbler
Be Bear Aware in Whistler - The Whistler Insider
Are Black Bears Dangerous? Map of Black Bear Attacks Since 2011
How to know when a bear is near - Quora
Bear Awareness! Bear Safety while Hiking. – The Hoarding Marmot
Bear Safety Part 1: Out and About in Grizzly Country - Grizzly