Insurers of entertainer Michael Flatley’s listed mansion in Co Cork say they will apply to stay his €25 million damages lawsuit over the detection of hazardous chemical residue at the period property. The dancer, best known for his performances in Riverdance and Lord of the Dance, said he and his family had to move out of Castlehyde last October due to the alleged presence of toxic residue. He is suing the main contractor who carried out renovation works at the property and his insurers for negligence and breach of contract. The defendants listed in the action are Austin Newport Group…