Looking tired but relaxed Pope Francis has led his first major public ceremony after a spate of cancelled appointments for health problems. Francis appeared to hold up well Sunday during the more than 90-minute Mass in St Peter's Basilica to honour Saints Peter and Paul. The Vatican has played down the cancellations including one last-minute Friday because 77-year-old Francis had an unspecified 'mild' health problem. Francis often laughing or smiling chatted with each of the 24 archbishops kneeling before him to receive a white woollen band symbolising shared episcopal power. An hour after the ceremony he appeared to people in