The U.S. military struck dozens of Iranian targets on Sunday while Iran launched drones at American sites, signaling the collapse of a regional cease-fire [1].

This escalation threatens the stability of the Strait of Hormuz, a critical global shipping lane, as both nations move from diplomatic pauses to active combat operations.

President Donald Trump (R-FL) declared the cease-fire over on Sunday, describing Tehran as "scum" [2]. The U.S. military targeted dozens of sites within Iran [1]. In response, Iranian armed forces, including drone units, fired additional drones at American military installations [1].

Vice President JD Vance (R-OH) addressed the escalating conflict on Sunday. "Violence will be met with violence," Vance said [3].

The exchanges have now entered a fifth straight day of conflict [4]. This follows a fourth straight night of Iranian strikes against U.S. positions [4]. Both nations claim their actions are retaliatory responses to the other's aggression [3].

President Trump indicated that the U.S. will not cease operations immediately. "American forces will keep attacking until Iran agrees to negotiate," Trump said [5].

The conflict is centered around the Strait of Hormuz and surrounding areas in the Middle East [1]. The breakdown of the truce follows a period of fraying relations that began earlier this month [6].

"Violence will be met with violence."

The transition from a fragile cease-fire to open military exchanges suggests a shift in U.S. strategy toward using maximum military pressure to force Iran back to the negotiating table. By targeting dozens of sites and maintaining a multi-day offensive, the U.S. is signaling that it no longer views the previous agreement as viable, while Iran's drone responses indicate a commitment to symmetric retaliation regardless of the risk to regional maritime trade.