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.
More top news
The BBC has announced that it has kept the Premier League highlights for a further three years through to the end of the 2018/19 season
Campaigners have hailed new tough guidance for prosecutors and police when tackling rape allegations as a "significant step forward".
The parents of Dylan Seabridge, from Pembrokeshire, said they believed their son was suffering from growing pains.