A fan fell to his death Friday night while trying to do a flip on the balcony at Citi Field stadium at a Dead & Company concert in New York. During intermission at around 9 pm, the man, a Brooklyn resident in his 40s, fell about 30 to 50 feet landing on concrete, police said. First responders said they were called to the scene at 9:05 pm and found the man injured apparently from a fall. A fan in a tie-dye tank top told The Post, 'I heard people going 'ahhh' and see people running. I said 'bro, someone took...