Serbs vote on Sunday in a presidential election, with opinion polls giving hardline challenger Tomislav Nikolic a slim lead over pro-Western incumbent Boris Tadic, but not enough for a first-round victory.Here are profiles of the main candidates:

MOSCOW – Russia’s armed forces chief said on Saturday Moscow could use nuclear arms pre-emptively if under serious threat, his comments marking no change in defense policy but underlining a renewed military confidence.

TEHRAN (FNA) Half of Iran’s hand-woven carpet exports are destined for the US, head of the National Center for Iranian Carpet said here on Sunday.