Celebrities including Bear Grylls, Ant Middleton, James Haskell, Jamie Vardy and Jade Jones have joined forces with The Sun and Counter Terrorism Police UK to star in the new Run Hide Tell campaign.
The campaign video aims to teach young people what to do in a terror attack, with the message Run Hide Tell, as new figures show over 300 children have called NSPCC's Childline since April with the fear they will get caught up in an attack.