Crowds of those seeking rescue swell at Sudan's main seaport

Exhausted Sudanese and foreigners joined growing crowds at Sudan's main seaport Tuesday, waiting to be evacuated from the chaos-stricken nation. After more than two weeks of fighting, areas of the capital of Khartoum appear increasingly abandoned.

The battle for control of Sudan erupted on April 15, after months of escalating tensions between the military, led by Gen. Abdel-Fattah Burhan, and a rival paramilitary group called the Rapid Support Forces, commanded by Gen. Mohamed Hamdan Dagalo.

Other nations have tried to convince the two generals to stop the fighting and come to the negotiating table. The government of South Sudan, which officially split from Sudan in 2011, said on Tuesday that the two rival generals have agreed in "principle" on a weeklong cease-fire starting Thursday, and on engaging in peace talks. The statement did not elaborate on the possible venue or timing for the talks.

South Sudan President Salva Kiir spoke with both Burhan and Dagalo over the phone, the government said in a statement. There was no immediate comment from either the army or the paramilitary.

Meanwhile, civilians were packing buses and trucks for Sudan's northern border with Egypt. Many others headed to Port Sudan, on the country's Red Sea coast. The relative calm of the port city, from which many foreign governments have evacuated their citizens, seemed the safer option.

"Much of the capital has become empty," said Abdalla al-Fatih, a Khartoum resident who fled with his family to Port Sudan on Monday. He said they had been trapped for two weeks, and that by now, everyone on his street had left.

When they arrived in Port Sudan after a 20-hour journey, they found thousands, including many women and children, camping outside the port...