NATO chief fears Ukraine war could become a wider conflict KYIV, Ukraine (AP) — The head of NATO expressed worry that the fighting in Ukraine could spin out of control and become a war between Russia and NATO, according to an interview released Friday.Putin says Russia could adopt US preemptive strike concept Ukrainian youth choir defies war with messages of freedom Nobel Peace Prize winners blast Putin's invasion of Ukraine Free for a month, Kherson still toils to clear Russian traps “Speaking about a disarming strike, maybe it’s worth thinking about adopting the ideas developed by our U.S. counterparts, their ideas of ensuring their security,” he said.Long before the Ukraine war, the Kremlin expressed concern about U.S. efforts to develop the so-called Prompt Global Strike capability that envisions hitting an adversary’s strategic targets with precision-guided conventional weapons anywhere in the world within one hour.I repeatedly have said that we are ready for an agreement, but it makes us think, think about whom we are dealing with.” In separate comments via video link to defense and security chiefs of several ex-Soviet nations, Putin again accused the West of using Ukraine as a tool against his country.In the neighboring Zaporizhzhia region, Russian forces shelled Nikopol and Chervonohryhorivka, which are across the Dnieper River from the Russia-occupied Zaporizhzhia nuclear power plant."