re: HS Basketball Rules Question - strange scenario

quote:

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but what would have happened if a spectator had run onto the court and stopped the play before the basket?

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I've seen this happen many times and I've officiated in a couple of games in which this happened. If it's a random spectator, game is stopped and the spectator is escorted out of the building. The ball is then inbounded from the next appropriate location depending upon where the ball/player was when play was stopped. That's it. Based on the OP's description, that's what would happen.