Politicians and experts are criticised over the fund, which cost £1.27bn and may have harmed patients.
Four people are arrested in London and Kent, but police say it is unconnected to Westminster incident.
Sgt Alexander Blackman is released after his conviction for murder was reduced to manslaughter.
The bank reports its first quarterly profit since 2015 and says cost-cutting is ahead of target.
It was "morally reprehensible" not to warn customers sooner about a second recall, MPs say.