David Cameron's West Ham football 'brain fade'
25 April 2015 Last updated at 12:56 BST
David Cameron made a slip up in a speech on diversity, saying he was a West Ham supporter, when he is actually an Aston Villa fan.
When a BBC journalist pointed out his mistake, the prime minister blamed it on a "brain fade", a description coined by the Green Party leader Natalie Bennett.
Jonny Dymond reports