<p>A man is brain dead after being hit in the head during a concert at the HiFi Buys Amphitheatre featuring the heavy metal band Korn.</p><p>Andy Richardson is on life support at Grady Memorial Hospital after Sunday night's concert.</p><p>Richardson apparently got into a fight with two men who were in the mosh pit. Police say they only have a vague description of the two men.</p><p>The man's mother -- Gloria Richardson -- is asking the men to turn themselves in to police. (WSB Radio)</p>
