Swiss outlet 20 Minuten reported an explosion at a hydropower plant in Ticino, Switzerland, injuring multiple people.

Iran has signaled willingness to escalate its confrontation with the United States after an initial attack on a U.S. warship, with senior leaders issuing increasingly hardline warnings. Facing mounting economic pressure and worries that control over the Strait of Hormuz is weakening, Tehran is adopting a more aggressive posture; a U.S. maritime blockade has left Iran almost unable to export oil, its main revenue source. Analysts say the situation raises the risk recent clashes could broaden toward full-scale war and that Iran is likely to try to intensify military pressure while avoiding outright war, aiming to push global oil prices higher or force a closure of the Strait of Hormuz.

CNN Arabic cited a source saying Saudi Arabia is preparing a retaliatory response after large-scale Houthi attacks on Saudi territory and has notified allies. The source said Saudi diplomats told US lawmakers in August that political communication with the Houthis has broken, the Houthis plan to escalate, and Riyadh sought Washington’s support. Saudi and CENTCOM have agreed on next steps and European partners have been informed; the form and scale of any response remain unclear. Riyadh is pressing other countries to join the effort, though some have feared such participation would be seen as joining a US–Iran conflict. The source said maritime coalition partnerships are being used both to deter incidents and to prepare for operations.