Oil advanced as Iran sent a warship into the Red Sea after the US Navy said that American forces were fired upon when responding to a distress call from a vessel in the Red Sea. Attacks on merchant shipping in the region have led to the re-routing of everything from container ships to gas carriers. Julian Lee reports on Bloomberg Television. -------- Follow Bloomberg for business news & analysis, up-to-the-minute market data, features, profiles and more: http://www.bloomberg.com Connect with us on... Twitter: https://twitter.com/business Facebook: https://www.facebook.com/bloombergbusiness Instagram: https://www.instagram.com/bloombergbusiness/