Theresa May has accused Michael Gove of not dealing with the alleged Islamist plot targeting Birmingham schools.
It is understood Mr Gove believes the Home Office does not react strongly enough to extremism generally.
Earlier, the pair issued a joint statement insisting they were "working together" on the issue.
The BBC's political editor, Nick Robinson, said the row amounted to "an old-fashioned Whitehall turf war", with two senior ministers differing over how to combat Islamic extremism. » | Wednesday, June 04, 2014
