[header] How to react if you see a suicidal post on facebook [title] Comment and encourage the person to seek help. [step] Many people ignore suicidal social media posts for various reasons. However, social media suicide threats should be considered as serious as any other suicide threat. 
You may want to reply back to the person or send them a private message where you encourage them to seek help. Consider sending them the numbers to a suicide hotline to talk with a trained suicide counselor.