NAIROBI, Kenya (AP) _ The United Nations on Saturday said the first shipment of emergency food since March had reached a war-ravaged town in southern Sudan.

The U.N. World Food Program's office in Nairobi said 6.5 metric tons of food was airlifted Friday to Bor, 600 miles south of Sudan's capital, Khartoum.

The shipment followed a recent agreement between the United Nations, the government and southern rebels on allowing deliveries of relief supplies.

Three relief workers and a Norwegian journalist were killed in southern Sudan in September. The United Nations said they were shot by rebels of the Sudan People's Liberation Army.

The world body said it would continue emergency food deliveries to the Bor area now that there are ''the necessary security guarantees.''

About 1,000 people live in the town on the White Nile River, down from 30,000 a little more than a year ago, according to the U.N.

Most residents fled south in December 1991 to escape ethnic clashes. Others followed after Bor fell to government troops in a major offensive that began in March.

About 3 million southerners have fled their homes during the nearly 10- year-old civil war, which pits the Muslim majority government in the north against the Christians and animists in the south.

Meanwhile, Sudan on Saturday accused Egypt of sending military reinforcements to Halaib, a disputed area along the northeast border, the official Sudan News Agency reported.

Both countries claim Halaib, a triangular enclave at the eastern end of the Egyptian-Sudanese border overlooking the Red Sea.

In Cairo, the Egyptian Foreign Ministry referred questions on the reported reinforcements to the Defense Ministry, but officials there could not be reached for comment.

A joint Egyptian-Sudanese committee on Halaib has been meeting, with little progress.