Home/Video/Search for Titanic sub intensifies after banging noises heard underwater l WNT Video Search for Titanic sub intensifies after banging noises heard underwater l WNTNovember 21, 20230 Less than a minute Facebook Twitter LinkedIn Pinterest WhatsApp Tagsabc News p_cmsid=2494279 p_vid=news-100289811 sub submarine Submersible Titanic underwater wnt worldNovember 21, 20230 Less than a minute Facebook Twitter LinkedIn Pinterest WhatsApp Share Facebook Twitter LinkedIn Pinterest Share via Email