I am a massive Metallica fan… It happened during the performance of “Seek And Destroy,” in Sydney, Australia with the house lights on and the stage filled with huge black balloons.

Guitarist Kirk Hammett wandered through the crowded stage, kicking balloons at random; at one point, he unknowingly kicks a small child while following through on one of the balloons.

Metallica - Concert in Moscow (2010/CamRip)

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