A return to open conflict would be dangerous for the region, where Iran has targeted US military bases and infrastructure in Gulf countries since the war began on February 28 The US military on Sunday said it had struck Iranian rocket launchers that were preparing to send mines into the Strait of Hormuz, following weeks of relative calm. Key points and original sources are listed below.

• A return to open conflict would be dangerous for the region, where Iran has targeted US military bases and infrastructure in Gulf countries since the war began on February 28S1

• The US military on Sunday said it had struck Iranian rocket launchers that were preparing to send mines into the Strait of Hormuz, following weeks of relative calm. Bloomberg's Wendy Benjaminson has the latest. (Source: Bloomberg)S2