Lebanese Army investigators inspect the area outside a building where clashes erupted between Lebanese troops and a a former member of the Islamic State group, who had engaged in an hours-long shootout with the security forces, in Tripoli, Lebanon, Tuesday, June 4, 2019. Lebanon's interior minister said Tuesday, that a lone gunman who went on a shooting spree in the northern city of Tripoli, killing four security personnel, was working alone. (AP Photo/Hassan Ammar)
Lebanese Army investigators inspect the area outside a building where clashes erupted between Lebanese troops and a former member of ISIS in Tripoli, Lebanon, Tuesday, June 4, 2019. AP

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