A few hours after the order for the expulsion of William Walker, Serbian forces refused entry to a United Nations war crimes prosecutor who arrived at the border to investigate the killings.

It found that although people younger than 18 committed an estimated 93,000 violent crimes, federal prosecutors brought 24 cases for selling firearms to minors.

The chief United Nations war crimes prosecutor, Carla Del Ponte, said Monday that Croatia was cooperating fully in the search for Gen. Ante Gotovina, and the E.U. reopened membership talks.

David Uhlmann, a former top environmental crimes prosecutor has been quoted as saying about W.R. Grace & Co.: "There's never been a case where so many people were sickened or killed by environmental crime."

After the expulsion order, Serbian forces refused entry to a United Nations war crimes prosecutor who arrived at the border to investigate the killings.

One is a house in which war crimes prosecutors have said that 20 Albanians were gathered in April and shot dead by Serbian troops.

The United States is concerned that unless the leading powers have a say in the jurisdiction of the court and what crimes prosecutors can pursue American servicemen could be taken before international judges who harbored anti-American agendas.

In Sarajevo today, Louise Arbour, a United Nations war crimes prosecutor, said it was "scandalous" that Dr. Karadzic was still free.

Belgrade's B-92 radio reports that a man suspected to be Mladic has been held in Serbia, although Serbia's war crimes prosecutors refused to confirm or deny the report.