british prime minister tereheresa may at the scene of a crime where a former russian spy and his daughter were poisoned by a nerve agent, while showing a united front with allies. keir simons is in london. this is extraordinary. finally, the united states at the united nations yesterday joined in this united front, blaming the russian government, when the president was just dragging his feet for days and days. >> reporter: yeah, finally. one question is how was the trump white house persuaded to join this very forceful statement that has been issued by the united states, the uk, germany and france, and another interesting question is, what are the russians making of this? i suspect we are at the point, just beyond the point, that the russians thought this would go.