the restaurant involved as I know in Qatar you can get into trouble for damaging business interest.. but stuff it. It is BurgerKing, at Burger King roundabout. So far I haven't had any response to my complaints, although you'll be pleased to know they have repaired the hole in the play area which led to the accident.
And to those who say kids can't be wrapped in cotton wool - I completely agree. Kids can't be protected from scrapes and accidents, it's part of growing up.
But that doesn't excuse negligence, poor maintenance, and bad business practices.