(15:14) HOLLISTER- Several people were injured when an illegal firework was misfired in Hollister Saturday night. Authorities say that the incident took place at a neighborhood party on the 1200 block of Brigantino Drive when a mortar style device tipped over and fired into a group of spectators. At least five people were transported to the local hospital for treatment. A child was also airlifted to a bay area burn center for treatment. 35 year old Shawn Gregory Bourdet has been arrested as the responsible party for the mishap.