On 29 Apr 15, Army Command-Guidance Directorate issued a statement which it mentioned that the Army units continued, in collaboration with general security and Interior Security Forces, the execution of the security plan in Beirut and its suburbs, adding that a number of Lebanese and a Palestinian accused of opening fire on citizens and Army members were arrested in Hay El-Sellom, Haret Horeik and Lailaki regions.
http://nna-leb.gov.lb/en/show-news/43575/Army-arrests-suspects-at-Beirut-Southern-suburb