#halt development

BRUSSELS | US NATO envoy warns Russia to halt new missile development

BRUSSELS — The U.S. envoy to NATO on Tuesday said that Russia must halt development of new missiles that could carry nuclear warheads and warned that the United States could “take out” the system if it becomes operational.

NATO fears the 9M729 system contravenes the 1987 Intermediate-range Nuclear Forces Treaty, or INF. The Cold War-era pact bans an entire class of weapons — all land-based cruise…