Reuters reporting sources close to the scene

  • financial services regulator is investigating regional banks' high proportion of real estate lending due to concern about the impact on banks in the event of possible downturn in property market
  • FSA has met officials of banks whose property lending has increased recently

Japan's property market has recovered from a lengthy slump brought on by the 2008 financial crisis. Abenomics partly helping. Land prices in Japan's largest cities rose in 2013 for the first time in 6 years.

Investigation is not public ( it is now it seems!) so sources preferring to remain anonymous say Reuters