No, and it’s a good thing, because a lot of folks I know enter those venues walking heavy.
Metal detectors will not deter an attack like the one in Paris yesterday. The perps will shoot their way into the venue, especially if there is no resistance.
As in wearing suicide belts?
A security guard in Paris noticed the bomb on one of the terrorists, denied him entry to the stadium (he was holding a ticket) and the Islamonazis detonated himself to avoid capture.