China\'s President Hu Jintao called on his Iranian counterpart Friday to be \"flexible and pragmatic\" ahead of talks on Iran\'s nuclear programme, the state Xinhua news agency said. Hu also urged Mahmoud Ahmadinejad to cooperate with the UN nuclear watchdog, as the two leaders held talks in Beijing ahead of a meeting next month of the so-called P5+1 group -- the United States, Russia, China, Britain, France and Germany.