Former President George HW Bush is in the intensive care unit of a Texas hospital and is in "guarded condition," according to family spokesman Jim McGrath.
"The President is alert and conversing with medical staff, and is surrounded by family," McGrath said in a statement.
Bush was admitted to the intensive care unit on Sunday, he said.
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Gulf War veteran Paul Briggs' widow, Lindsey, 40, launched legal action to have his life support withdrawn so he could "die with dignity".
Rescue workers are at the site Sunday morning trying to cut open mangled coaches.
Despite chilly temperatures it will be a mostly dry day, and milder than yesterday.