Russia plans to hold drills simulating the use of tactical nuclear weapons, the Defense Ministry announced Monday, days after the Kremlin reacted angrily to comments by senior Western officials about the war in Ukraine. The drills are in response to “provocative statements and threats of certain Western officials regarding the Russian Federation,” the Defense Ministry said in a statement. It was the first time that Russia has publicly announced drills involving tactical nuclear weapons, though its strategic nuclear forces regularly hold exercises. Tactical nuclear weapons have a lower yield compared to massive warheads that arm intercontinental ballistic missiles intended to...