One person was presumed dead and five crew members reported missing on Sunday after a tug boat sank off South Africa's southern coast, a multi-agency maritime body said.The tug vessel LEO transmitted a distress message at 1702 GMT on Saturday, reporting uncontrolled water ingress and requesting imme<p><p>https://www.marinelink.com/news/one-presumed-dead-five-missing-tug-sinks-536327</p></p>