|>>|| No. 28698
It's reasonable to hope there's a more discreet path to take, but ultimately, somebody who is suicidal isn't in their right mind and they are unpredictable. It will cause alarm and she'll be pissed off, especially at you if she knows it was you, but they need to know, someone in this state of mind needs people in physical proximity who can support them and stop them doing anything daft.
I had a mate top himself earlier on this year. He had two kids with an awful bitch of an ex who was half the cause of it; but after all has been said and done it's those kids who will grow up without a dad who will suffer the most. He attempted it a couple of times before he succeeded, and we thought he'd come through the worst of it when it happened. The trouble is you can't take your eye off someone for two minutes in case they decide to string themselves up; never mind when their closest friends live a substantial distance away and couldn't reasonably be there for them if they wanted to.
You might think it would do more harm than good to get her family involved, but if she goes ahead and does it anyway you'll forever regret not doing something.