He said the reports of harassment by a male staffer are "unsubstantiated without fact or backing" and "are a symptom of what's wrong with this city." He said Washington is filled with "intense partisanship without rational thought."
"Do I or have I ever used salty language especially when I'm angry, in the privacy of my inner office or at home? Yes I have and I've apologized where it's appropriate," Massa said.
Massa said it's "only fair and right" he announce that he will not seek reelection now so that others can jump into the race. He read the brief statement and did not take questions.
Late Update: TPMDC's Brian Beutler waited outside Massa's office to try to get more information. Massa flatly denied the allegations, saying he's a "salty old sailor [and] that's that."
Additional reporting by Evan McMorris-Santoro