A GROUP of reckless pranksters have faced a fierce backlash from residents and beach users after performing a dangerous stunt involving glass at Mothers Beach in Mornington.The males involved, believed to be youths and YouTube attention-seekers, reportedly placed several glass picture frames beneath the surface of the sand about 2pm on 21 January while the beach was packed on a hot day. The News understands about five of the picture frames, which bizarrely depicted American rapper Sean “Diddy” Combs, were buried at various spots along the beach near Schnapper Point with water bottles placed on top of each one in…