Kaseem Ryan, a member of Natural Elements and an FDNY captain, died unexpectedly, according to Instagram post

Ka, a Brooklyn rapper, producer and firefighter, died unexpectedly on Saturday at age 52, according to a post on his Instagram account.

Kaseem Ryan was a member of the group Natural Elements and also served in the New York City fire department (FDNY). He collaborated with artists Roc Marciano and GZA and earned praise from artists such as Erykah Badu and Yasiin Bey, formerly known as Mos Def, BET reported.