On New Year’s morning, a woman who had been at a party was sexually assaulted near Scott Circle NW by two acquaintances, the D.C. police said. They said two men have been arrested in the case.

Police said the woman and two acquaintances were leaving a New Year’s Eve party about 4 a.m. on Tuesday. The woman was led to a secluded area in a parking garage in the 1700 block of Rhode Island Avenue NW, and was assaulted there, police said.

At a news conference last week, police chief Cathy L. Lanier said killings in the city had been sharply reduced in 2012. But the number of sexual assaults was up by 50 percent. Most involved acquaintances, the chief said.