Ka, Beloved Rapper of the Brooklyn Underground, Dies at 52 PitchforkKa, Brooklyn rapper and New York firefighter, dies aged 52 The GuardianRapper and FDNY Firefighter Ka Dies at 52 VultureKa, Brooklyn Rapper and 9/11 First Responder, Dies at 52 VarietyBeloved Brooklyn rapper dies unexpectedly at 52 MassLive.com