The stabbing happened on the 1600 block of G Street SE about 5 p.m., police said.
The woman was riding her bicycle when a man approached her with a knife, according to authorities. He then stabbed her on her shoulder, causing a minor cut.
The victim was brought to a hospital where she was treated and released.
Police described the suspect as a 5-foot-11 man who is 30 to 40 years old and has a dark complexion. He wore a black shirt and dark jeans.
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