As a "mystery" Cessna plane flying over London sparked speculation on its potential use for surveillance, Caroline Pidgeon commented:
Of course the Met needs to defend some secrecy over its surveillance work, however you can't put planes up over London without people noticing. It would be best if the Met simply admitted that vital surveillance work takes place and at the same time was open about the costs of such operations.
Read more at ITV, Huffington Post, and the Evening Standard.