Obama refuses ice bucket challenge, but donates instead
22 August 2014 Last updated at 06:48 BST
Some of the most famous people in the world have been drenching themselves in freezing cold water and posting the video online in a fundraising stunt called the ice bucket challenge.
It has helped raise money for and awareness of ALS, a neurodegenerative disease.
However, despite being nominated by a number of celebrities, the White House has confirmed President Obama will not take part, but will be donating.
Ben Moore reports.