What to KnowSix people were killed when a sightseeing helicopter broke apart and crashed into the Hudson River between New York City and New Jersey.In addition to the pilot, those killed included a family of five from Spain. The children were 4, 8 and 10 years old — and the 8-year-old’s birthday was Friday, Mayor Eric Adams said.Pieces of the aircraft could be seen floating in the river Friday as divers resumed searching for clues as to the cause of Thursday’s crash.New York authorities have named two of the adult victims who died in Thursday’s fatal helicopter crash as Siemens executive Agustín Escobar and Merce Camprubi Montal, a married couple from Spain. A helicopter crash in the Hudson River remains under investigation as recovery efforts to remove the debris continues Friday, according to officials. Six people died in the crash Thursday, which occurred near the Newport neighborhood of Jersey City. A team from the National Transportation Safety Board was expected on site Friday. ...read more read less