 -- Sarah Brady, the widow of former White House Press Secretary James Brady, has died, the Brady Campaign and Center to Prevent Gun Violence announced Friday. She was 73.

The Brady Campaign to Prevent Gun Violence said in a post: "We are heartbroken over the loss of Sarah Brady, our dear friend and Chairperson of the Brady Campaign and Center to Prevent Gun Violence. Sarah was a champion for gun violence prevention and her commitment and fiery compassion will live on."

The organization did not specify a cause of death.