Home secretary calls for Whatsapp backdoor access following Westminster attacks

The standoff between tech firms and intelligence agencies over back door access looks set to intensify after the home secretary revealed that the man who killed killed four people in Westminster this week was using Whatsapp moments before the attack.
Speaking to BBC One's Andrew Marr Show the home secretary, Amber Rudd, said intelligence services must have access to encrypted messaging services to ensure that there is "no place for terrorists to hide".
"We need to make sure our intelligence serv