Pakistani President said : ` ` ' actors '' behind attacks in Delhi , India . Indian intelligence sources tell CNN - India they believe attackers were Pakistani . Zardari says he believes suspect in custody is Pakistani . Pakistani President Asif Ali Zardari denied his nation was involved in last week 's deadly attacks on Mumbai , India , and told CNN on Tuesday he 's seen no evidence that a suspect in custody is a Pakistani national as Indian officials claim . He says he 's willing to have Pakistan participate in a joint investigation with India .
Pakistani President said : ` ` ' actors '' behind attacks in Delhi , India . Indian intelligence sources tell CNN - India they believe attackers were Pakistani . Zardari says he believes suspect in custody is Pakistani . He says he 's willing to have Pakistan participate in a joint investigation with India .