A warning for people in Chevy Chase, Maryland: A fox bit a person and a pet in two separate attacks.
A man says a fox bit him on Turner Lane, Wednesday night.
There were also reports of a fox attacked a dog on Cumings Lane. Montgomery County animal services is now patrolling the area.
The National Park Service says foxes usually don't attack people unless they feel threatened.
If you see a fox, experts say to scream and they will usually run away.