UPDATE 3-Barclays called reckless over $511 mln payments to Qatar investors
* UK regulator plans to fine bank 50 mln stg for disclosure failings * Barclays says it will fight FCA's Qatar deal findings * Barclays income down 500 mln stg July-Aug on weak investment bank By Steve Slater LONDON, Sept 16 (Reuters) - Barclays has been branded reckless b
