Ds hit another child. Mortified.

[WeCameToDance]

I'm really upset. My ds is 3 and just started nursery after a long and difficult struggle to get him accepted as he is developmentally delayed.
He is in his second week and he was doing so well and absolutely loving going. I went to pick him up today to be told he has hit another child over the head with a large toy seemingly unprovoked.
I'm so disappointed in him. It's not like him to be aggresive for no reason. To throw and lash out if provoked I could understand a bit better but why for no reason! I feel so sorry for the child he hurt and so worried that he is going to do it again.
Has anybody elses child done this? How did you deal with it? Please tell me it is not that unusual and fairly common with young children!

It's not like him to be aggresive for no reason.

Heh, heh, heh. He's 3. It's coming.

Seriously, dead normal. Calm chat about why we don't hit and move on.

Totally normal.

My almost 3yo ds threw my phone at my head last night and it's still sore now!

Totally normal.

New environment,
New children,
New relationships,
Learning what's expected,
Learning to play,
Learning he has to share,
Learning not everyone wants to to do what he wants,
Learning kids can be mean for no reason at all.

All this is massive, especially with any kind of delay.

As you say when it happens to ds (and it will) just take it in your stride. I've lost count of the times my four dc have been bit/ hit/scratched but I try not to get cross as I know that next week it could be them lashing out it's just part and parcel of being a toddler.