BOSTON (AP) — Massachusetts Sen. Edward Kennedy remained in the hospital Sunday, awaiting test results that could explain why the 76-year-old Democrat suffered a seizure a day earlier.

Doctors at Massachusetts General Hospital said it would be Monday at the earliest before the tests were complete, and the hospital and Kennedy's office released no new information about his condition on Sunday.

Kennedy was resting, eating and watching the Boston Red Sox and Boston Celtics games on television Sunday afternoon, said a top aide who requested anonymity because the family had asked that details of the senator's hospital stay not be released.

Among his visitors were his wife, Vicki, sister Jean Kennedy Smith, stepchildren Caroline and Curran Raclin, daughter Kara Kennedy as well as nephew Joseph Kennedy and his wife.

Democratic presidential contender Barack Obama also called.