George HW Bush's office has released a statement after he was readmitted to hospital in Houston, Texas.
It says: "President Bush has been in and out of The Methodist Hospital in the Texas Medical Center being treated for complications related to his bronchitis.
"He is in [a] stable condition, and is expected to be released within the next 72 hours."
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The 10K and half-marathon races take place almost exactly a year after Salman Abedi killed 22 in his attack at an Ariana Grande concert.
Dmitrios Pagourtzis also had several kinds of homemade explosive devices but they were not capable of detonating, county officials said.
After early mist clears, most parts of England and Wales will have another fine, warm day with plenty of sunshine.