(ANSA) - WASHINGTON, 29 MAR - Barack Obama mourns the disappearance of his grandmother on Twitter, posting a photo of his companion during a trip as a young man to Kenya.
"My family and I are mourning the loss of our beloved grandmother Sarah Ogwel Onyango Obama, affectionately known to many as 'Mama Sarah' but also as 'Dani' or Nonna."
"We will miss him but we will always remember with gratitude for his long and worthy life."
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