KARACHI  - Two persons have been killed and three others injured in a firing incident at a hotel in FB Area of the city.According to police, four unidentified armed men riding motorcycles fired at Gulzar Habib Hotel in FB Area, killing two persons. The deceased have been identified as Rafiq (36) and Sajid (25).The identities of three other persons who sustained injuries in the incident could not be ascertained so far.  The dead and injured have been shifted to Abbasi Shaheed Hospital and Patel Hospital.  Abbasi Shaheed Hospital sources confirmed two deaths in the incident.