Interpol on Thursday issued an international arrest notice for British national Samantha Lewthwaite, dubbed the \'White Widow\', at Kenya\'s request. A statement said the 29-year-old was \"wanted by Kenya on charges of being in possession of explosives and conspiracy to commit a felony dating back to December 2011.\" The Interpol alert, known as a red notice, requires member countries to detain the suspect pending extradition procedures.