Sergei Skripal wrote to President Putin asking to be allowed to return home, a friend of the former spy told the BBC.
BBC: Skripal asked Putin if he could return home
A picture taken through glass doors shows the interior of part of The Mill pub in Salisbury, southern England, on March 11, which is closed as investigations continue in connection with the major incident sparked after a man and a woman were apparently poisoned in a nerve agent attack.
