NEW : Barclays will pay the legal bills of former chief Diamond if necessary , a source says . Chairman Marcus Agius is giving evidence on a rate-rigging scandal . Bob Diamond says UBS deeply regretted the circumstances that led to Diamond resigning . Agius , giving evidence to the Treasury Select Committee inquiry into the scandal , said Diamond 's decision was one which `` the board welcomes and Agius will still receive a last week 's salary , the bank says .
NEW : Barclays will pay the legal bills of former chief Diamond if necessary , a source says . Chairman Marcus Agius is giving evidence on a rate-rigging scandal . Bob Diamond says UBS deeply regretted the circumstances that led to Diamond resigning . Agius will still receive a last week 's salary , the bank says .