Nikolic is acting leader of the hard-line nationalist Serbian Radical Party.
I'm expecting Kosovo to declare independence. If they declare, we'll stop Kosovo Albanians coming to Serbia. We'll stop them traveling through Serbia. We won't recognize their passports ... we'll cut off the supply of goods to Kosovo.
What if the European Union deploys a mission in Kosovo?
[T]hat would be unacceptable. We're members of the UN. We're not members of the EU. Only the UN can make decisions on borders. The EU can't decide an issue outside of its own borders The situation is that in the UN Security Council we have members who will veto any change to Serbia's borders.
What about countries that recognize Kosovo's independence?