Warner launched a campaign Web site Thursday and announced his intention to run for the Senate on YouTube.
(CNN) - Former Virginia Gov. Mark Warner turned to YouTube Thursday to announce his candidacy for the U.S. Senate seat being vacated retiring Republican Sen. John Warner.
The former governor also informed supporters Thursday morning by email about his decision to run for the Senate.
"I've decided the way I can contribute most to getting our country back on
track is to serve in the United States Senate," Warner said in the video.
Warner also said he will wait to make an official announcement until after Virginia's legislative elections in November.
– CNN Political Producer Peter Hamby