Drones targeted an Omani port, injuring one worker, official media said on Sunday, marking the first attack on the sultanate -- which has mediated US-Iran talks -- since Tehran began its retaliation campaign in the Gulf.“A security source reported that the commercial port of Duqm was targeted by two drones. One drone struck a mobile workers’ accommodation, injuring one foreign worker, while debris from the other landed near fuel tanks, causing no casualties or material damage,” the Oman News Agency said in a post on X.The US embassy in Oman has earlier asked staff and citizens to shelter in place Sunday, citing unspecified “activity” outside the capital Muscat, as Iran conducts a second day of retaliatory strikes across the Gulf.“Due to ongoing activity outside of Muscat, the US Embassy in Oman has instructed staff to shelter-in-place (ie, take cover). We recommend all Americans in Oman do the same until further notice,” the embassy said in a post on X.Oman, a key mediator in the