Iran's top nuclear official is holding talks in China amid signs that Beijing has relaxed its opposition to a new round of UN sanctions against Tehran.

The US ambassador to the UN, Susan Rice, said China was ready to hold "serious" talks with Western powers on a new UN resolution.

This would mark a policy shift for China, which has strong ties with Iran. China says it wants a peaceful outcome.

Western powers claim Iran seeks nuclear weapons, a charge Tehran denies.

China has in the past expr
BBC News - China 'ready for talks' on new UN sanctions on Iran