Queen Elizabeth spends night in hospital after canceling Northern Ireland trip

Queen Elizabeth, 95, was taken to the hospital on Wednesday for "preliminary investigations" and was released Thursday, Buckingham Palace confirmed. The same day, the queen canceled a trip to Northern Ireland on advice from doctors, the palace said. 

"Following medical advice to rest for a few days, The Queen attended hospital on Wednesday afternoon for some preliminary investigations, returning to Windsor Castle at lunchtime today, and remains in good spirits," Buckingham Palace said in statement.

The news was first reported by the U.K.'s The Sun newspaper.