According to a statement from Buckingham Palace on Tuesday, the decision to postpone the visit was made by "mutual agreement."

By Joshua McElwee VATICAN CITY (Reuters) -After 38 days in hospital battling double pneumonia almost entirely out of sight, Pope Francis made his first public appearance on Sunday since February 14 and returned to the Vatican.

Before leaving the hospital, the Pope gave a thumbs-up to the crowd after he was wheeled out onto the balcony.