Renowned actor Donald Sutherland has died at age 88, RadarOnline.com has learned. The Hunger Games star’s son, Kiefer Sutherland, announced his father’s death on Thursday. Kiefer paid tribute to his father in an emotional X post. “With a heavy heart, I tell you that my father, Donald Sutherland, has passed away,” Kiefer wrote. “I personally think one of the most important actors in the history of film. Never daunted by a role, good, bad or ugly. He loved what he did and did what he loved, and one can never ask for more than that. A life well lived.” Donald is said to have passed away following…