US Secretary of State said intelligence-sharing relationships with European allies who use Chinese tech in 5G infrastructure are "at risk".
Secretary of State Mike Pompeo repudiated a 1978 legal opinion that civilian settlements are ‘inconsistent with international law’.
They set off huge fires and led to a suspension of production operations at the Abqaiq facility and the Khurais field.
Tehran has warned it is prepared to shoot down more surveillance drones.
Mike Pompeo’s tough line was welcomed by his hosts, particularly in Israel.
He criticised Russia for ‘an aggressive campaign to undermine Western democratic institutions’.