Event Brief
Twin Sisters Discover They Are Identical
Filed: Feb 24, 2026 at 2:06 PM ET
Summary: Grace Leggett learns she cannot donate stem cells to sister Caitlin after discovering they are identical twins.
WHO: Caitlin and Grace Leggett
WHAT: Discovery of being identical twins complicates treatment
WHEN: Feb 24, 2026 at 10:00 AM ET
WHERE: Cardiff
WHY: Caitlin was diagnosed with leukaemia and needed a stem cell donor
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