NEW YORK (AP) — Jimmy Ruffin, the Motown singer whose hits include "What Becomes of the Brokenhearted" and "Hold on to My Love," died Monday in a Las Vegas hospital. He was 78. Philicia Ruffin and Jimmy Lee Ruffin Jr., the late singer's children, confirmed Wednesday that Ruffin had died. There were no details about the cause of death. Ruffin was the older brother of Temptations lead singer David Ruffin, who died in 1991 at age 50.