Chelsea Manning says she was denied entry into Canada

Chelsea Manning is an "ungrateful traitor" who "should never have been released from prison", President Donald Trump has said on Twitter.

US President Donald Trump has slammed whistleblower Chelsea Manning as an “ungrateful traitor” for criticising Barack Obama.

The US army private serving a 35-year prison sentence for leaking classified documents has thanked President Barack Obama for shortening her sentence.

President Barack Obama has commuted Chelsea Manning's sentence for leaking documents to Wikileaks in 2010.