After accusations by U.S. and Saudi officials, Iran denies involvement in the attack and says it's "ready for war" against both the U.S. and Saudi Arabia after the Kingdom blamed Iran for backing the Houthis. (Reuters)
An anonymous senior Iraqi intelligence officer says the drones that attacked Saudi Arabia were launched from Popular Mobilization Forces bases in southern Iraq. The drones on that flight path reportedly would have crossed Kuwait's airspace to carry out the strikes. Kuwait's government says it is investigating the sighting of a drone, reportedly flying low and hovering over Kuwait City on the day of the attacks. (Middle East Eye)
An unnamed United States official says evidence suggests the drones approached Saudi Arabia from the northwest from Iraq or Iran, contrary to the Houthi militants' claim that the drones were launched from Yemeni territory. Three experts cited by CNN say the official's evidence is not conclusive. (Reuters)(CNN)
Donald Trump says the U.S. military is "locked and loaded" after the attacks on its ally Saudi Arabia, but is awaiting confirmation from Riyadh on who launched the strikes before taking action. (CNBC)
Donald Trump authorizes the use of the Strategic Petroleum Reserve to "keep the markets well-supplied", following severe disruption to crude oil output in Saudi Arabia. (The Hill)
U.S. company Purdue Pharma files for Chapter 11 bankruptcy. Agreeing to contribute more than US$3 billion from the sale of a daughter company, the owners propose to settle thousands of lawsuits related to the risk of addiction to their narcotic painkiller Oxycontin. (The Guardian)
A Transpacifico airplane crashes shortly after departing an airport in Popayán, Colombia for a domestic flight. Seven of the nine occupants are killed. The remaining two on board are injured, as is a child on the ground. (Al Jazeera)