As Mark Rutte becomes NATO's new General Secretary, his leadership skills will be put to the test quickly as the bloc confronts external and internal threats.

Mark Rutte slammed the Kremlin's "reckless and irresponsible" rhetoric but downplayed Russia's nuclear threats.

The newly elected Secretary General of NATO, Mark Rutte, stressed that the Allies currently see no direct risks associated with using nuclear weapons and advised them not to pay attention to Russia's nuclear threats.

Incoming NATO chief Mark Rutte brings new leadership this week to one of the world's most powerful-sounding roles -- helming the nuclear-armed Atlantic alliance.

Mark Rutte, the new NATO Secretary General, despite threats from Russian President Vladimir Putin, believes there is currently no direct threat of nuclear weapons being used. The statement was made during Tuesday's press conference at the Alliance's headquarters in Brussels.