NATO allies are to give more air-defence systems to Ukraine, Secretary General Jens Stoltenberg announced on Friday, after a crisis meeting via videolink with defence ministers and Ukrainian President Volodymyr Zelensky. NATO has "mapped out existing capabilities" from alliance countries that can be given to Ukraine, Stoltenberg said in a press conference after the meeting. The alliance secretary general also mentioned that "several allies made concrete commitments" to send further air-defence w