MI5 worked with undercover police to infiltrate Vietnam protests

Papers show secret cooperation as scruffy' officers spied on anti-war protesters

The security service MI5 worked closely with undercover police officers to infiltrate the campaign against the Vietnam war, documents released to a public inquiry have disclosed.

Senior Scotland Yard officers told MI5 that they had deployed what they called bearded and unwashed" male officers and scruffy" female officers to spy on the campaign in the late 1960s.