Dumb thing to try, but teenagers (even ones close to legal adulthood) often take dumb risks because they think they’re invincible. I look back at some of the dumb stuff I pulled in my teens (note to past self: hopping trains, even slow-moving ones, is not a smart thing to do), and am sometimes amazed I still limb and life.
Prayers for the friends and family of the teen.
Brilliance sometimes walks hand in hand with stupidity. OFTEN IN THE SAME BODY!