at least 2a people have died in the united states as north america faces severe winter conditions. police in liverpool, in the north of england, are hunting a gunman after a 26—year—old woman died and four were injured in a pub shooting on christmas eve. four aid organisations have suspended their activities in afghanistan, in response to a ban on women working for humanitarian agencies. you're watching bbc news. it's time for click. well, ho, ho, ho, ho! and merry clickmas!