Stuart Gulliver, chief executive of HSBC, apologises for 'unacceptable events' that took place at the Swiss arm of the bank during the mid 2000s. Gulliver, along with HSBC chairman Douglas Flint, are currently appearing before the Treasury Committee in London to address tax dodging allegations. Gulliver broadly apologises for the bank's 'lack of transparency' but evades a question on personally taking responsibility