Some 30,000 Russian combat troops are expected to amass in Belarus in the coming weeks, NATO Secretary General Jens Stoltenberg said on Thursday, expressing concern about the build-up of Moscow’s military presence on Ukraine’s doorstep. “This is the biggest Russian deployment there since the Cold War,” Stoltenberg said in Brussels, adding that combat aircraft, nuclear-capable Iskander missiles, S-400 air defence systems and special units of the military intelligence agency GRU were involved in the build up. There were now “well over” 100,000 Russian troops near Ukraine, Stoltenberg said. Mosco…