Unidentified gunmen assassinate Sheikh Daud Ali Hasan, a senior commander of the Al-Shabab militant group in the southern city of Kismayo, Somalia. [https:--www.reuters.com-article-idUSTRE62J0MJ20100320 (Reuters)] [http:--www.apanews.net-apa.php?page=show_article_eng&id_article=120488 (African Press Agency)]date=August 2019