Fully agree with the Scandinavia solution. However, stop gaps have a horrible tendency to become permanent and this is one that I find truly horrifying.

“Some people have challenges in keeping accommodation or aggressive behaviours and sadly just having services available isn’t enough.” - from Melba’s comment.

There isn’t any good solution though - come to think of it, this fair land we live in was colonised as a way to get rid of a crazy bad urban poor situation. So let’s send them to the other side of the world so they’re NOT on our doorstep and too bad for the indigenous population.