MI5 head calls on social media and telecom firms to help survelliance – audio

Andrew Parker, the head of MI5, speaking on Radio 4's Today Programme, says social media sites and telecoms companies must do more to assist the security services. Parker says companies have an ethical responsibility to come forward when they become aware of their services being used to propagate terrorism or distribute child pornography

Listen to the full interview

Read: MI5 chief calls for more up-to-date surveillance powers