NEW : Witnesses say a woman was among the Nairobi mall attackers . Interpol Red Notice asks for help finding Ronald K. Noble , dubbed the `` White Widow '' Interpol says the notice relates to 2005 explosives charges . Witnesses say they saw an unidentified woman among the Kenya attackers .
NEW : Witnesses say a woman was among the Kenya mall attackers . Interpol asks for help finding Samantha Lewthwaite , dubbed the `` White Widow '' Interpol says the notice relates to 2011 explosives charges . Witnesses say they saw an unidentified woman among the Nairobi attackers .