thats the same thing happen to me and couple of friends..we reach there and we saw lots of families going in and some others without family...so we dicided to give it a try and the security stopped us...and they said friday family day, qataris and western only...what the hell? what kind of rules is this? i was so pissed and we managed to get in from a friend, on the way out, we give the security a sharp look in the eye...