NBC Journalist and Host of Meet the Press, Tim Russert, collapsed this afternoon and died at the NBC Washington Bureau Office. Russert was preparing for Meet the Press at the time. Attempts to resuscitate him were made but were not successful. Here is video of Tom Brokaw breaking the news of Russert's death in an NBC News "Breaking News Report" this afternoon:

Here is a statement from Sen. McCain on the death of Russert:

ARLINGTON, VA -- U.S. Senator John McCain today issued the following statement on the sudden and tragic passing of Tim Russert:

"I am very saddened by Tim Russert's sudden death. Cindy and I extend our thoughts and prayers to the Russert family as they cope with this shocking loss and remember the life and legacy of a loving father, husband and the preeminent political journalist of his generation. He was truly a great American who loved his family, his friends, his Buffalo Bills, and everything about politics and America. He was just a terrific guy. I was proud to call him a friend, and in the coming days, we will pay tribute to a life whose contributions to us all will long endure."

UPDATED: Here is video of reactions by Pres. Bush as well as Sen. John McCain and Sen. Barack Obama to the death of Tim Russert: