A number of vessels have been tracked appearing to search for the missing Titanic tourist submersible.<br /><br />Five people are onboard the Titan submarine, which went missing in the Atlantic Ocean on Sunday 18 June.<br /><br />It’s estimated that the passengers have just 24 hours of oxygen supply left.<br /><br />“More vessels are joining the search for the submersible near the Titanic wreck. The Atalante and the Maria S.Merian are headed towards the area,” the Twitter account @MarineTraffic wrote, sharing footage of the tracked vessels close to the area.
