Visiting U.N. Secretary General Kofi Annan said Wednesday that he will announce in March whether he will run for a second term as head of the United Nations.

U.N. Secretary General Kofi Annan (left) and Poul Nielson, European Commissioner for Development and Humanitarian Aid (center), unveil Wednesday a plaque renaming the the United Nations University Building in Tokyo's Aoyama district the U.N. House.

With his current five-year term expiring at the end of 2001, Annan told a press conference at the Japan National Press Club that the decision to run for a new term is difficult.