A man in his 40s is being interrogated by gardaí regarding a fatal hit-and-run that resulted in the death of 21-year-old Marguerita Sheridan in Co Limerick. The incident occurred on Saturday when Sheridan was struck by a van. She was taken to University Hospital Limerick, where she succumbed to her injuries. The suspect was arrested, and authorities recovered a van believed to be involved in the incident.