Embargoed to 0001 Sunday September 16
St John Ambulance undated handout still from their hard-hitting new television ad that will premiere tonight urging people to learn even basic first aid. PRESS ASSOCIATION Photo. Issue date: Sunday September 16, 2012. The ad will screen during ITV1???s Downton Abbey and shows a cancer survivor choking to death at a barbecue because none of the guests knows how to help him. The charity hopes the campaign will encourage Britons to learn basic first aid skills. See PA story CONSUMER StJohn. Photo credit should read: St John Ambulance/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.