(CBS NEWS) – Ending months of speculation, former Vice President Joe Biden announced Thursday he is launching his third presidential campaign, instantly joining the race as an early frontrunner among more than a dozen major Democratic candidates seeking to deny President Trump a second term.

Biden announced his bid in a video released on social media. He is expected to hold a fundraiser Thursday evening in Philadelphia and hold his first formal campaign event in Pittsburgh on Monday. In his appeal to voters, Biden recounted the president’s response to the violent white supremacist protests in Charlottesville, Virginia two years ago.

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