NEW : British government warns press against endangering national security . Former minister says leaks likely to affect efforts to build security . The threat by WikiLeaks , the online whistle-blower website , to publish the information has prompted the State Department to undertake a massive review of diplomatic documents . Also expected to include ` ` cables '' used by State Department . Government is threatening to release thousands of classified documents .
NEW : British government warns press against endangering national security . Former minister says leaks likely to affect efforts to build security . Also expected to include ` ` cables '' used by State Department . Government is threatening to release thousands of classified documents .