Ukrainian Ombudsman Lyudmila Denisova said 18 more Ukrainian seamen, a crew of general cargo ship BLUE STAR I, were seized by the Russian military and taken to Donetsk city, controlled by Russia.
The ship is stuck in Mariupol since Feb 26, all communications with the crew were lost since Mar 25, AIS is off since Mar 30 or Mar 31. There should be several ships in Mariupol, but their AIS is off, as of recent. According to Russian media, Port of Mariupol is under the control of the Russian and separatists military.
General Cargo BLUE STAR I is currently located at BSEA – Azov Sea at position 47° 02′ 50.1″ N, 037° 30′ 03.2″ E as reported by MarineTraffic Terrestrial Automatic Identification System on 2022-02-26 17:53 UTC (1 month, 15 days ago)
The vessel is currently at port MARIUPOL, UA after a voyage of 8 days, 10 hours originating from port TORRE ANNUNZIATA, IT.
Sources: Maritime Security + Marine Traffic