"President Monson was not feeling well last evening and was admitted to the hospital," Eric Hawkins, a spokesman for The Church of Jesus Christ of Latter-day Saints, said Tuesday. "He has received treatment and fluids and will hopefully be released soon."
President Monson, 89, attended the morning and evening sessions of the 187th Annual General Conference on Saturday, but he remained at home for the afternoon session to conserve his energy. Ref. Source 3v.