Tunisian authorities announced Wednesday the recovery of 20 bodies of migrants from sub-Saharan African countries, after their boat sank 13 nautical miles off the coast of Sfax.The authorities said in a statement that the naval units of the Central Coast Guard were also able to rescue 5 migrants who were on the same boat, while combing and searching operations are still ongoing by the naval units to locate the rest of the missing and deal with the incident.Tunisia is considered a transit point for thousands of migrants and asylum seekers to Europe, who mainly come from African countries, south of the Sahara, to set off from its shores towards the European coasts