They are causing a scene. Having been done for sanctions busting and so on, they are now closing any account that could potentially get them into similar difficulties ever again. Diplomatic accounts have been involved in all sorts of money laundering over the years.
Barclay's is doing something similar by closing the UK accounts of companies that remit money to places like Somalia. In theory it could be funding Al Qaida and pals.
http://www.thisisafricaonline.com/News/ ... ss?ct=trueIn reality that cash is not funding Al-Shabaab; it's keeping tens of thousands of children fed and in school. But neither bank can be prosecuted for closing risky accounts, whereas they can be shut down if one gets misused.