<span style="color: #222222;">US Secretary of State Mike Pompeo today criticised the weekend attacks on the Saudi oil industry as an "act of war" as President Trump ordered a substantial increase in sanctions against Iran, which Washington has linked to the strikes.</span><br />'' <br />'' <span style="color: #222222;">The comments raise the risk of a wider conflict in the tinderbox Gulf region after the weekend strikes on the heart of the kingdom's oil industry knocked out half its production.</span><br />'' <br />'' <span style="color: #222222;">Mr. Pompeo's comment came as Saudi Arabia displayed what it said were fragments of 25 drones and cruise missiles fired at two facilities in the country's east, leaving them engulfed in flames.</span><br />'' <br />'' <span style="color: #222222;">He also said there was no evidence the attacks had been launched from Iraq  amid media speculation this was the case.</span><br />'' <br />'' <span style="color: #222222;">Yemen's Iran-backed Huthi rebels, who have claimed Saturday's strikes, vowed meanwhile they had the means to hit "dozens of targets" in the United Arab Emirates. </span><br />