Unknown gunmen opened fire at a coffee shop in Tripoli, north Lebanon, on Monday, wounding four persons. The wounded are the owner and three customers of the coffee shop; they were rushed to a hospital in Al-Kobba neighborhood, according to the National News Agency (NNA). Army troops arrived at the site, cordoned off the area, and started a manhunt for the masked assailants, while the law-enforcers opened a probe into the incident.