Not going to go into the full story because it's long, but my sister (21) has kinship care of my little brother (7). She cheated on her partner (who they were living with), and moved herself and my little brother back into their mum's house without social work knowing.
DBro's mum is a physically abusive alcoholic and was left alone with him for 8 hours whilst paralytic last night, despite not allowed unsupervised contact with him. She has also been allowing her physically abusive boyfriend around him which is also banned by social services.
Other DSis and I found out about an hour ago and have informed social services. They will be doing a surprise visit on Thursday because that's when the boyfriend goes round, to have more basis for removal 
What will happen next? Will he be put into the system? I'm scared they'll decide that he's actually safe there despite the court order. If anyone has experience of this I would be really grateful.