Window falls from US Marines helicopter onto school grounds in Japan's Okinawa

The CH-53E helicopter's window which fell onto Daini Futenma Elementary School in Ginowan on Dec 13, 2017.
The CH-53E helicopter's window which fell onto Daini Futenma Elementary School in Ginowan on Dec 13, 2017.PHOTO: EPA-EFE
Police investigators inspect the ground where the window of a CH-53E helicopter fell onto the sports ground at Daini Futenma Elementary School.
Police investigators inspect the ground where the window of a CH-53E helicopter fell onto the sports ground at Daini Futenma Elementary School.PHOTO: EPA-EFE