In June 2014, a number of Muslim charities, think tanks and activists received a letter from the HSBC bank, telling them their accounts were to be closed.
The letters provided no explanation nor right of appeal. There had been no warning. The recipients of this letter included a think tank, a charity - and the Finsbury Park Mosque in north London.
This was just the start. In due course, a deluge of organisations connected with Muslim causes were targeted.
One example was...