Councilman Tony Yarber defeated the late Lumumba 's son Chokwe Antar Lumumba in a runoff .
It was necessitated after the death of incumbent mayor Chokwe Lumumba .
Councilman Tony Yarber defeated the late mayor 's son Chokwe Antar Lumumba in a runoff .
It was necessitated after the death of incumbent mayor Chokwe Lumumba .