The incident happened over the weekend, around 2:20 a.m., on the 4100 block of Fairfax Drive.
The man — a 32-year-old Arlington resident — also assaulted two women who tried to intervene, according to an Arlington County Police Department crime report.
ABDUCTION, 161030006, 4100 block of N. Fairfax Drive. At approximately 2:19 a.m., officers responded to the report of an assault that had just occurred. Earlier in the evening a male subject was asked to leave a restaurant. Later in the evening as the restaurant was letting out a female victim recognized the male subject asleep on a bench and attempted to check on his welfare. The male subject became angered, pulled the victim to the ground, and dragged her by her hair. When witnesses intervened, the subject struck two additional female victims. Sean Patrick Mulcahy, 32, of Arlington Va, was arrested and charged with abduction and assault & battery.