Two people are now confirmed dead after a shooting Monday afternoon off 16 Avenue along the Naches River. Yakima Police later arrested a 19-year-old man who will likely face murder charges for both shooting deaths.  A 17-year-old boy was taken to a local hospital where he later died. 18-year-old Jobany B. Martinez was pronounced dead on the scene. Police said they arrested 19-year-old Lameiro Flores. He is the main suspect in the case. Flores was booked into jail and will likely face murder charges for the shooting deaths of Martinez and the 17-year-old boy.   Police are not searching for any other suspects. Police isn't saying if the shooting was gang related. The investigation continues today as police are trying to figure out the motive for the shooting.