The story, in its entirety thus far:

Sen. Clinton Collapses During Appearance

Jan 31, 1:13 PM (ET)

BUFFALO, N.Y. (AP) - Hillary Rodham Clinton collapses during a public appearance in Buffalo.

Update: "Clinton told the crowd she was feeling weak and had had a stomach virus. Clinton started to speak then collapsed..." (Irony alert: "She was expected to discuss health care..."). [AP, MyWay]