Berezovsky death: Hazard police give house all-clear
25 March 2013 Last updated at 05:07 GMT
The home of Boris Berezovsky has been given the all-clear after being searched by police for chemical, biological and nuclear material.
The majority of a cordon around his Berkshire house has now been lifted.
Police are treating the death of the 67-year-old exiled Russian tycoon as unexplained, after he was found dead on Saturday.
Jon Brain reports.