DES MOINES, Iowa (AP) — Prosecutors have filed a murder charge against a man suspected of breaking into a suburban Des Moines home and stabbing a resident. Court records say 19-year-old Magai Anai-Kur, of Des Moines, also is charged with burglary, robbery and theft. The murder charge approved by a Polk County district judge Tuesday replaced a charge of attempted murder that was filed before 77-year-old Robert Howe died in January. Police say he was stabbed on Sept. 3 when Anai-Kur broke into Howe’s Urbandale home and then stole Howe’s minivan.