Of course he shouldn't have kicked the ball out of the ball boys arms like that but the ball boy wasn't completely innocent. He,the ball boy ,tweeted later that "The King of the Ballboys was back"!! What's that all about? I found it slightly hilarious but also sad.
According to the radio this morning all ball boys are instructed to obstruct the visiting team as much as possible and that it's up to the referee to add on time if he sees fit.