An eyewitness that saw a sightseeing helicopter crash into New York’s Hudson river, says it appeared as if the helicopter's rotor blade "shattered in the sky." "And after it shattered, then we saw the helicopter just spiral... And then it just crashed into the water just like that," said fashion designer Belle Angel. Six people including a senior Siemens executive and his family were killed in the crash. Weather conditions in New York were gusty with thick cloud cover, with NBC4 channel