US Navy seizes Iranian cargo ship in Gulf of Oman — The USS Spruance fired on and boarded the Iranian-flagged Touska on Sunday, capping a week that saw the US blockade of Iranian ports enter enforcement, Iran briefly reopen the Strait of Hormuz Friday before re-closing it Saturday after Revolutionary Guard gunboats fired on a tanker near Oman, and global oil prices swing from $102 to $87 to $95 a barrel.