Mum has deteriorated over recent weeks she has early onset frontal lobe dementia. I am currently travelling and due to return to England in 5 weeks. My younger sister has been supporting my mum and she has a wide variety of carers. However two weeks ago mum walked to town by herself and was found by members of the public confused they called the police who then contacted my sister. Because of mums dementia she's pretty much lost the ability to speak so finds it hard to communicate. Anyway today my sister received a phone call from the carers saying a member of the public had found her outside her house with nothing on her lower half. Me and my sister don't know what else to do there is literally us no other family. My sister has rang social services as we speak but not sure if we have any other options she's only 58. As you can imagine its heart breaking for us all. At what point do we decide she needs somewhere and who makes that decision?