It was an unusually undiplomatic moment outside the UN security council chamber, and a sign of tension within.
The Council had just decided not to hold an emergency meeting on Libya.
Russian ambassador Vitaly Churkin was on his way out the door when he publically chastised the spokesperson of another country for speaking to a group of reporters. (I can't tell you which country because conversations at this stake-out are supposed to be off the record, but Western diplomats routinely brief reporters in this informal setting).
"Double check with your ambassador," Churkin shouted at the spokesperson. "It's really impolite and rude.