Update 4/29/19: this article has been updated to reflect additional information from BPD spokesperson officer Byron White and Sigma Phi Epsilon spokesperson Heather Kirk.

A UC Berkeley student reported that she had been sexually assaulted while at a fraternity early Sunday morning, according to a Nixle alert released by Berkeley Police Department and UCPD.

The survivor, a female student, reported the incident to BPD between midnight and 1 a.m. Sunday, according to BPD spokesperson Officer Byron White. The alleged sexual assault occurred at a fraternity on the 2700 block of Channing Way. BPD declined to release the exact address of the incident, citing privacy concerns and the nature of the incident, according to White.

UC Berkeley’s Sigma Phi Epsilon chapter responded to reports of a woman being sexually assaulted while at the fraternity Sunday, according to Sigma Phi Epsilon spokesperson Heather Kirk on behalf of the local chapter and national organization.

“Members of the risk management team immediately took her to the hospital, and the chapter referred the issue to the university and the authorities for thorough investigation,” Kirk said in an email.

She said in an email that the UC Berkeley chapter has ceased operations during the investigation, adding that Sigma Phi Epsilon takes all allegations of sexual violence seriously.