Edward Snowden, who revealed he was the source of leaked information about US government surveillance programmes, denied having given classified information to China.
"I have had no contact with the Chinese government", Snowden said during a live chat on the Guardian website. "I only work with journalists".
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A rollercoaster has reportedly come off the rails at a theme park in Scotland.
"I saw a lot of smoke come out from the tail-end of the aircraft. I wondered if it was normal, whether it was just exhaust fumes."
The House of Commons Petitions Committee has said they will keep an eye on the petition and are concerned about fraudulent signatures.