Pope Benedict XVI has led Christmas Eve mass at St Peter's Basilica in the Vatican. The ceremony began at 10 pm (2100 GMT) instead of the traditional midnight start time.
The schedule was changed at the Vatican years ago to let the pontiff rest before he is deliver a Christmas Day speech hours later from the basilica's central balcony.
More top news
Vitaly Stepanov, who helped uncover the Russian doping scandal, says the IOC is less concerned about ridding world sport of drug cheats.
Colombian drug lord Daniel Barrera Barrera was fined $10m for manufacturing hundreds of tonnes of cocaine that he trafficked globally.
The 37-year-old Somali immigrant to Canada died after being beaten by several police officers, according to local media reports.