Cybersecurity firms say Iran has increased its offensive cyberattacks against the U.S. government and critical infrastructure as tensions have grown between the two nations. CrowdStrike and FireEye, which regularly track such activity, say in recent weeks hackers believed to be working for...

The head of the global chemical weapons watchdog has ordered a probe into the leak of an internal paper which queried the body's findings into a 2018 attack in the Syrian town of Douma. Syrian and Russian media had seized on the leaked document written by a member of the Hague-based...

Attacks on two oil tankers on Thursday in the Gulf of Oman left one ablaze and both adrift, shipping firms said, driving oil prices up 4% over worries about Middle East supplies. The Front Altair was on fire in waters between Gulf Arab states and Iran after an explosion that a source...

Additional sanctions imposed on Iran by the United States show that Washington’s offer of talks is not genuine, Iranian Foreign Ministry spokesman Abbas Mousavi said on Saturday. The United States placed sanctions on Iran’s largest petrochemical holding group on Friday for indirectly...