Sputnik News- The people loyal to the administration of former US President Barack Obama waged a months-long campaign to take down the new president's National Security Adviser Michael Flynn that eventually led to his resignation, US media reported Wednesday.

On Monday, Flynn stepped down�after information about�his conversations with�Russian Ambassador Sergey Kislyak prior to�Trump's inauguration was leaked to�the media and amid�the debates on�whether he violated the Logan Act of�1799 that prohibits private US citizens from�engaging with�foreign nations in�diplomatic disputes.

The campaign, which might have included Ben Rhodes, Obama's deputy national security adviser for�strategic communication, aimed to�discredit Flynn because of�his skepticism about�the nuclear deal with�Iran, the Washington Free Beacon newspaper reported, citing multiple undisclosed sources, some of�them from�inside the White House.

According to�the newspaper, the effort was meant to�prevent the administration of�President Donald Trump from�disclosing secret details of�the Iranian deal.

The outlet said the sources were concerned that other prominent figures in�the current administration could become targets of�similar campaigns next.