A fast-food worker unleashed an “explosion of violence” after a nightclub spat bubbled over onto the streets of Canterbury. Liam Jones, 27, had been at the city’s Club Chemistry before punching another reveller, George Allen, in the face, breaking his jaw. Prosecuting the case on Monday, Peter Forbes said the attack followed a disagreement in the venue between Jones, two women he was with, and two other men – one of them Mr Allen. “The incident happened sometime later,” Mr Forbes explained. “[Mr Allen] and the male he was with were approached by a female – Mr Jones’ partner, Abigail. “The comp…