URGENT ¥¥¥ 'Put Christ at centre of your lives', pope says in last tweet

Pope Benedict XVI urged his followers to put "Christ at the centre of your lives" in his final tweet from his Twitter handle @pontifex on Thursday, three hours before his historic retirement.

"Thank you for your love and support. May you always experience the joy that comes from putting Christ at the centre of your lives," said the tweet, which went out just as a helicopter whisked the pope away from the Vatican to retirement.