Turkey set out its concerns last week in an urgent letter to the United Nations secretary general , Kofi Annan .
Kofi Annan /business/person/company United Nations
NNP VBD RP PRP$ NNS JJ NN IN DT JJ NN TO DT NNP NNPS NN JJ , NNP NNP .
Kofi Annan
PERSON
United Nations
ORGANIZATION
/business/person/company