"What we need to do is have an examination which has all the rigour of the old O-level but it's sat by the majority of students, " he added.

BBC: Gove admits GCSE pupils treated unfairly in grades row

"The office of the chief medical examiner will do an in-depth examination of the site to see if there are, in fact, human remains there, " Kelly said.

CNN: NY police: Landing gear part found, is tied to 9/11