Russia's foreign minister is rejecting U.S. demands to extradite National Security Agency leaker Edward Snowden, who has apparently stopped in Moscow while trying to evade U.S. justice.

Foreign Minister of the Russian Federation, Sergey Lavrov (Oli Scarff - WPA Pool/Getty Images)

Sergey Lavrov says Snowden hasn't crossed the Russian border and insists that Russia has nothing to do with him, his relations with U.S. justice or his travel plans.

Speaking at a news conference today, he angrily lashed out at the U.S. demands for the extradition and warnings of negative consequences if Moscow fails to comply.

Lavrov says that accusing Russia of "violation of U.S. laws and even some sort of conspiracy" with regard to Snowden is "absolutely ungrounded and unacceptable."

He wouldn't say where Snowden is. Snowden booked a Havana-bound flight from Moscow Monday but didn't show up on the plane.

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