attitude and bad service

we got there at 18:45 and put in our order we waited till 19:35 and by then we had started to complain .The manager came whom told us with an attitude that do we have an idea how lost does a steak take ? the food was cold ,while we were still talking to him he left us hanging there,Thats when we refused to eat the food and to pay for it .When we decided to leave he ran off to call the securities and threatened us that if we dont take the food ,we are going to be arrested .Until the senior manager whom made sure that the securities will not bother us .He tried to convince us to go back but we were insulted badly by the Sipho guy