As reported in the Telegraph and other newspapers, the FCA's own Regulatory Decisions Committee has directed that no action should be taken against a former senior trader at UBS accused of alleged LIBOR manipulation.  
 
 Jason  Mansell was instructed by Hickman Rose shortly after the commencement of the investigation in 2013 and had advised the trader throughout the complex investigation and associated proceedings.

http://www.telegraph.co.uk/finance/financial-crime/11783559/FCA-drops-Libor-probe-into-former-Tom-Hayes-contemporary-Pete-the-Greek.html