Friday evening April 5th just before midnight Lawrence Police received 911 calls for a report of shots fired in the area of the intersection of Exeter and Crawford Streets. All available Lawrence Police units were dispatched to area. As a result of a week long investigation by members of the Lawrence Police Gang Unit along with members of the Lawrence Police Patrol Division, two men have been arrested and charged in the incident. Lawrence Police have arrested Nathaniel Rios age 19 of North Andover and Anthony Medina age 20 of Lawrence. Both have been charged with: attempted murder and several firearms related charges, and have been arraigned Lawrence District Court