Vertical lines on plasma tv screen

A few days ago a black line appeared that cut off the left part of my screen, today when I turned it on it was flickering between the Image and the black bar. After about 5 minutes a heard a click and then this colored bi-frost looking glitch appeared. What could it be? A few days ago a black line appeared that cut off the left part of my screen, today when I turned it on it was flickering between the Image and the black bar. After about 5 minutes a heard a click and then this colored bi-frost looking glitch appeared. What could it be? A few days ago a black line appeared that cut off the left part of my screen, today when I turned it on it was flickering between the Image and the black bar. After about 5 minutes a heard a click and then this colored bi-frost looking glitch appeared. What could it be? A few days ago a black line appeared that cut off the left part of my screen, today when I turned it on it was flickering between the Image and the black bar. After about 5 minutes a heard a click and then this colored bi-frost looking glitch appeared. What could it be?