The Guardian reporter was at the O2 and was instructed to stop filming because the O2 is an Olympic venue witih the security guards then invoking Anti-terror act as further reason for their enforcement. 



Campaign group I’m A Photographer, Not A Terrorist has highlighted recently the alarming frequency with which photographers are obstructed from taking photos in public spaces. 



With the Olympics’ 100-day countdown now underway, security in the capital is only going to get tighter, the law being misused more and more frequently as a result. 



Photo: Getty.