A murder investigation launched after a dad died at a holiday park has ended, with no further action being taken. Seven people were initially arrested on suspicion of murder following the death of Michael McDonagh, 58, at the Parkdean Resorts park in Camber Sands in August 2022. Sussex Police say a dedicated team has worked “tirelessly to understand the events” that led to Mr McDonagh’s death since then. But now, the force has confirmed the investigation has concluded. A spokesman said: “On August 6, 2022, Sussex Police launched an investigation into the tragic death of Michael McDonagh at a h…