My 11yo son uttered the words "I want to kill myself" later checked his phone to see someone in his class has been sending him suicide memes on Discord

I made the mistake like a lot of other parents I'm sure of giving my 11yo son a smartphone with data access. I wanted to trust him to use it without having to monitor it daily. I wanted him to be able to text me when he gets home as him and his younger 9yo brother walk 2 blocks home from school. He's a good kid with a good head on his shoulders and for the most part he doesn't really get into trouble for an 11yo kid. My concern though is I found out he has been using the device to communicate through the Discord app with whom I can't even be 100% sure. His friends or whom I assume are at least his classmates have been sending him suicide memes like making light of suicide as a funny thing with clowns and balloons which is obviously concerning since he said yesterday when he was mad he wanted to kill himself. And suicide rates are actually superceding homicide rates at an alarming rate at least in North America and I personally suspect it has to do with the increase in technology dependancy which in some ways is similar in children as it is to drug and alcohol dependancy in adults. I've been there. I discussed it with him and he said he doesn't actually want to he was just very frustrated at his 4yo brother who hurt him and he didn't mean it. I have decided as a result to take away the smartphone and he will instead be getting a flip phone for talk/text only with no data or social media or chat apps and I will be monitoring the texts. I will also be selling his xbox gaming console and the proceeds will go towards registering him in a martial art of his choice to help him not only learn self-defence in the event he needs to but to also learn self discipline and self respect. I will also be registering him to speak to a psychologist regarding the mention of suicide. Between the constant usage of gaming on the phone and xbox he has become a different kid, similar to an addict in fact and as his parent I'm responsible for ensuring his well-being and the outcome of his character and morale. As I was the one who allowed him to use the devices, and now realizing what a mistake it was, I am stepping in and taking away the smartphone and console and although he is not going to be happy about it I will help him to understand that it is for his own good and that there are more valuable things to focus his time and efforts on. via /r/Parenting http://bit.ly/2Ya2U8d