The top United Nations envoy to the Middle East will no longer be welcome in the Palestinian territories after he harshly criticized Palestinian Authority Chairman Yasser Arafat, a senior adviser to the PA leader said Wednesday.

"Terje Roed-Larsen's statement is not objective. As of today he is an unwelcome person in Palestinian territories," Nabil Abu Rudeineh told Reuters, referring to remarks by the envoy at the United Nations on Tuesday.

Larsen accused Arafat of giving "only nominal and partial support" to Egyptian efforts to support Palestinian security reforms demanded by the international community in an effort to end almost four years of Middle East violence...