Hillary Clinton
Media playback is unsupported on your device
Video

Hillary Clinton: 'I'm running for president'

Former US Secretary of State Hillary Clinton has formally declared her run for the 2016 Democratic presidential nomination.

Mrs Clinton, who also served as a senator for New York, ran for the Democratic presidential nomination in 2008 but lost to Barack Obama.

She made the announcement in an online video published on her website.

Go to next video: Hillary Clinton enters race for president