Donald Trump Russia dossier written by former UK spy 'has led to someone being killed'

The publication of a controversial dossier about President Donald Trump's alleged links with Russia, authored by a former MI6 spy, has already resulted in a death, it has been claimed.

Glenn Simpson the co-founder of Fusion GPS, the firm which commissioned the dossier written by Christopher Steele, was giving evidence to a congressional committee during a closed-door interview last year.