Gen. David Petraeus , NATO International Security Assistance Force commander made no threat of launching ground operations in Pakistan. US embassy spokesman in a statement refuted US press reports alleging that Gen. David Petraeus , NATO International Security Assistance Force commander, "issued a veiled warning to Pakistan that his country could launch ground operations in FATA, if Islamabad refused to dismantle the militant network in North Waziristan." "This allegation is false. Gen. Petraeus made no threat of ground operations in Pakistan", the spokesman said.