Police said three things remained unexplained in their investigations into Boris Berezovsky's death, including an "unidentified fingerprint" in the bathroom in which his body was found.
ITV News' Romilly Weeks reports from a two-day inquest in London:
Police investigating Berezovsky's death concluded - Mr Berezovsky took his own life
However police say 3 things about Berezovsky's death remain unexplained: 1 - unidentified fingerprint in bathroom...
2 - witness saw stranger close to house 2 days before. 3 - two radiation alarms went off when emergency services attended
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