Officers from the Boulder Police Department responded to a report of an injured 20-year-old woman at a sorority in the 1000 block of 15th Street.
It appears the woman, who had been drinking, fell from the roof outside a third-story window to the ground. The incident happened at about 12:40 a.m. on Saturday, Feb. 20.
The sorority member sustained serious bodily injuries, but she is expected to recover. The case remains under investigation.