TRIPOLI - At least eight migrants drowned and almost 90 others went missing after a shipwreck off Libya, a local official citing survivors who had clung onto the sinking vessel for days said Thursday. The Libyan navy said the shipwreck occurred off the coast of Sabratha, a town west of Tripoli that is a hub for illegal migration to Europe and from where the vessel had set off. Eight bodies were found and 35 migrants rescued on Tuesday and Wednesday, Seddik al-Jayach, an official in Zuwara, further west, told