The US said it struck Iranian military sites at the weekend and Iran’s Revolutionary Guards said on Monday it had targeted a US base in response, the latest in a series of exchanges amid negotiations to end the three-month-old war.The strikes on Iran’s Gulf coast were in response to “aggressive Iranian actions that included the shootdown of a US MQ-1 drone that was operating over international waters,” the US Central Command said in a post on X.“US fighter aircraft swiftly responded by...