An 18-year-old and a 25-year-old facing first-degree murder and weapons charges were held on no bond on Thursday.Previous coverage in the video aboveWah Say and Chit Lay are accused of the shooting death of Taw Moo near 48th and Pratt streets on Sunday night. Both men were in court on Thursday. A preliminary hearing is set for April 22 for both of them.Officers arrested Say and Lay after a chase that led into Pottawattamie County.A motive for the shooting is not known, but police said they believe it may be connected to a shooting earlier that morning. They found 53-year-old A Taw shot at an apartment on North 66th Street. Medics took him to the hospital. Taw's injuries are considered non-life threatening.Click here for the latest headlines from KETV NewsWatch 7