Missing Beagle / lost on NYE / please help

My dog Duby has been missing since Dec. 31 at 9pm due to sounds of the fireworks. Her location when was at A96h525 Killiney, Dublin, Ireland. There have been possible sighting on January 2 at Killiney Beach and Shanganagh Terrace / Cedar Court, Ballybrack. We are in desperate need of help. She is a 2 year old Beagle. Color: white, black & brown. She’s wearing a red color with our phone number and a pink harness. She’s a bit shy of people but loves other dogs and will follow a ball. She is neutered and chipped.