My 7 year old daughter befriended another little girl in her class over the summer and her mum and I have consequently become friends. The little girl has autism which I'd say is mild. Anyway, during the summer there was an incident where my daughter was playing at her house but had to go home soon as I was picking her up - the other child got very upset and threw a glass candle at the back of head resulting in it having to be glued. There have been other incidents including hair pulling, slapping and grabbing. I have a brother with severe autism and global developmental delay so I knew from experience that the child was most like taking her frustrations out on my daughter physically as she was unable to verbalise this. Her mum was equally very upset and told her daughter off and made her apologise as well bought my daughter a gift.
However, a few weeks ago my daughter was at a sleepover with her and a few other friends and the child bit her on the face. Ever since my daughter said she does not want to be friends with her which I accepted and agreed to as I don't blame her and think she has tolerated a lot. The girls mum has taken this very much to heart and was upset when my daughter in retaliation wrote a note at school to say the other girl was "stupid" and "can't read". I was very upset and she was told off for this as its unacceptable regardless of whether the other child hurt her but I could equally understand she is angry. Fast forward to this weekend we went for a group meal with other friends and our children. My daughter wouldn't acknowledge her daughter and she became very angry shouting saying my daughter was trying to isolate her and take her away from other children and started crying all whilst staring at my 7 year old. I didn't react to her at this point. I thought about it all evening and decided to send her a message the following morning explaining that she was completely out of order for her behaviour and if my daughter doesn't want to be friends then she has to accept that but she carried on saying how would I like it if my daughter had no friends and that there was no malice in her behaviour. It ended up in a debate which resulted in her phoning me to apologise but still attempt to justify her daughters behaviour. I'm still really angry this has happened as I think I've been very understanding and kind to her considering what has happened previously. But my other friend thinks I should send her a message to see how she is as it's her only child who she had in my early 40s and therefore isn't as experienced (I have 3 children). I don't know what to do?