"NATO Chief Stoltenberg Affirms Support for Ukraine Amid Calls for Membership"

NATO Secretary-General Jens Stoltenberg has pledged the alliance's support for Ukraine "for as long as it takes" amid concerns over Russian military buildup near the border. Stoltenberg also called on Russia to de-escalate tensions and withdraw its troops, warning that any aggression against Ukraine would have "costs and consequences." The US and UK have also expressed their support for Ukraine, with the US reportedly considering sending warships to the Black Sea.