New York Times report

Gabrielle Giffords, Democratic Congresswoman from Arizona, was shot in the head at a “Congress On Your Corner” event in Tucson today, January 8, 2011. It is unclear at this time whether she has survived. Various news sources have announced that she is dead; however, The New York Times article cited above quotes hospital spokesperson Darci Slater as saying Ms. Giffords is in surgery.

Early releases are giving conflicting information. Others were shot and killed, perhaps staffers, perhaps a Federal Judge.