Man with grenades enters Serbia’s presidency building

A man armed with two grenades has entered Serbia's presidency building.
An unidentified man has entered the Serbian presidency building in Belgrade armed with two hand grenades.

Yasmina Stoyanov, a spokeswoman for President Boris Tadic, confirmed to CNN’s Matthew Chance that a man was in the building threatening to detonate a grenade. The man’s motive was not known. It is unclear whether Tadic is in the building. Police have swamped the area in the central city.