Andrew Mountbatten-Windsor is released under investigation after his arrest

He was arrested Thursday morning on suspicion of misconduct in public office. We hear from our correspondent outside Buckingham Palace, a former press chief in the Royal household, a former Minister who opposed Andrew becoming UK trade envoy, and we look at how the Royal family has recovered from previous crises. Also tonight: scientists have just announced that a unique vaccine they've developed could have universal application against colds, 'flu, bacterial infection and allergies.