The assault happened on the 500 to 600 blocks of 9th Street SE about 12:30 a.m. Sunday. The victim was hit several times in the head with the cone when he was sitting on the hood of his car.
The man received a minor injury, police said.
A woman on Monday also attacked someone inside the Fairgrounds at 1299 Half St. SE, near Nationals Park, police said.
The attacker sneaked into the outdoor bar and event space about 9 p.m. The woman then hit a worker with a metal object when she was confronted about her presence in the area.
The victim received minor scratches from the assault, police said.
Reginia Wanzor, 48, was arrested for assault with a dangerous weapon in connection with the attack.
Information on her lawyer wasn’t immediately available.
Photo via Google Maps