BBC News

The Nigerian President Goodluck Jonathan says his government will do all it can to bring to justice the perpetrators of Friday's bomb blasts in the city of Jos. The authorities say 32 people were killed and more than 70 were injured in a series of explosions.

The spiritual head of the Anglican Church, the Archbishop of Canterbury Rowan Williams, has accused the wealthy of failing to share the pain caused by the financial crisis and spending cuts. Delivering his Christmas Day sermon, Dr Williams said that with hardship ahead for so many, confidence was low, and it would grow only if there were more signs of solidarity. In her traditional Christmas speech, Queen Elizabeth has focused on sport as a unifying force. Delivering her speech at Hampton Court Palace on the Thames, she said sport and games were a powerful way of engendering team spirit, building communities and bringing people from different backgrounds together.

President Obama has urged Americans to support US troops and their families during the Christmas holiday period. In his weekly address, Mr Obama was joined by his wife Michelle, who said Americans didn't need to be experts on military life to make a contribution. Rajini Vaidyanathan reports from Washington.

The Christmas message comes at the end of a busy week for the president, which saw him score key legislative victories - the Senate approved a nuclear arms treaty with Russia and the president won his battle to repeal the military's ban on openly gay and bisexual service members. But Mr Obama faces a challenging year ahead with his party losing control of the House of Representatives and the economy struggling to get back on track.