Man arrested after he climbed up the Christmas tree in Derry's Guildhall Square 23-year-old charged today in connection with the incident The Christmas tree pictured being put up in November. Reporter: '); '); A man was arrested in Derry this week after he climbed up the Christmas tree at Guildhall Square and threw baubles to the ground. Police were alerted to the incident on Wednesday night by CCTV cameras in the area. When they arrived, they arrested 23-year-old Sean McElhinney who appeared before Derry Magistrates Court today. A police officer told the court that the CCTV footage showed McElhinney climbing up the tree and throwing the baubles to the ground.