It’s safe to talk about suicide

This short leaflet offers guidance on what to say or do if you’re worried someone may be thinking about suicide. It was developed by the University of Exeter Medical School in collaboration with The Alliance of Suicide Prevention Charities. It was originally produced by Devon County Council.

Cover page for 'It’s safe to talk about suicide'. shows a graphic of three people and half of another person, they are faceless. Above the image is the wording Does someone close to you seem really down? Might they be thinking about suicide. 
In bold it says The only way to know is to ask.