His son and manager, Willie King, said Friday the University of Texas Medical Branch at Galveston would keep his father overnight for observation.
The elder King is expected to be released on Saturday, but he is gaining his strength back quickly, his son said.
He has an infection the doctors are concerned about, Willie King said. It might also be a bug, but he also is diabetic and has high blood pressure and they are not comfortable releasing him right now.
"But hes really his old self, joking around. We should have the medical test results today.
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