False report, hoax (6)
I believe the answer is:
canard
I believe this clue is a double definition.
'false report' is the first definition.
(a canard is a false rumour or story)
'hoax' is the second definition.
(I've seen this in another clue)
(Other definitions for canard that I've seen before include "Unfounded rumour or story" , "Baseless rumour" , "False rumour - French duck" , "Untrue story" , "A false rumour from France? (6)" .)