welcome to newsday, reporting live from singapore. i'm karishma vaswani. the headlines: ukraine's ambassador to the uk says his country may drop its ambitions to join nato, to prevent a russian invasion. we are flexible trying to find the best way out. if we have to go through some serious, i don't know, concessions, that's something we might do, that's for sure. we have a special report from mariupol in eastern ukraine, a vital port on the front line if russia attacks. many here in ukraine still say they don't believe that president putin will invade. some, though, have come here to take up this basic weapons training. they say they want to be