Rapper Fredo Santana — born Derrick Coleman — has passed away. He was 27 years old. Reports on Friday night suggested the rapper suffered a seizure having struggled with health problems over the past year. Santana was hospitalized for liver and kidney failure in October. He had previously been open about his struggle with lean addiction. He is survived by his eight-month-old son.

Held up as a pioneer of Chicago's drill movement, the rapper — who is a cousin of Chief Keef — released his first mixtape in 2012 before going on to work with names including Kendrick Lamar and Childish Gambino. He once made a cameo appearance in the video for Drake's “Hold On, We’re Going Home.” Last year, Santana released two mixtapes: Plugged In and Fredo Kruger 2.

Various rappers, including Drake, Travis Scott, Vic Mensa, and Joey Bada$$, were quick to pay tribute to their friend.

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If you or someone you know is struggling with drug addiction, there are organizations that can help right now. Find out more information here (U.S.) and here (UK).

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