Thankfully it doesn't happen often, but when it does, it makes you despair for the human race.
While Martina Fitzgerald was reporting live from outside Government Buildings on tonight's Six One News, a pair of... we'll call them feckin' eejits, because we're feeling generous... hijacked the piece, screamed a profanity into the mic, and scarpered.
Bryan Dobson was left a little shocked back in studio – but Martina, being the consummate professional, barely missed a beat and picked up where she left off.
The two 'banter merchants' in question should probably have considered that when you pull a stunt like that, your face will be captured in great detail, and you will be caught.
Did they learn nothing from The Simpsons?
Dude, videotaping this crime spree is the best idea we've ever had!
Video: Oisín Ó Cuilleanáin