The U.N. refugee agency warned Friday that fighting in South Sudan could drive more than half a million people from their homes, doubling the number of those affected by April.

"In South Sudan, the situation has continued to deteriorate. Fighting has spread to seven of the country's 10 states," said Adrian Edwards, spokesman for the U.N. High Commissioner for Refugees.

Dutch prosecutors suspect an Amsterdam man abused hundreds of children, some as young as 12, by getting them to perform sexual acts in front of their webcams, a spokesman said Friday.

"The man is suspected of enticing minors to perform sexual acts in front of their webcams while he pretended to be a girl," said Evert Boerstra of the public prosecutor's office in Amsterdam.

A Spanish judge on Friday banned a mass demonstration planned to support jailed members of armed Basque separatist movement ETA, as the group pushed for concessions from authorities.

The treatment of ETA's jailed members is one of the most sensitive issues in a standoff between the Spanish and French governments on one side and western Europe's last major armed secessionist movement on the other.

The U.N. refugee agency Friday warned that Australia could be breaking international law, amid reports that it pushed back to Indonesia boats carrying asylum-seekers.

Adrian Edwards, spokesman for the U.N. high commissioner for refugees, said the agency wanted an explanation after the reports that the Australian navy forced boats back, as well as plans to buy more vessels to bolster such operations.

Rival teams from South Sudan's government and opposition reviewed a ceasefire proposal from mediators Friday, with the issue of detainees remaining a sticking point in peace talks.

The proposal from mediators called on both sides to "cease all military action aimed at each other" and to "agree to immediately cease all military operations and freeze their forces," according to a draft seen by AFP.

Former oil tycoon Mikhail Khodorkovsky, who was freed by Moscow last month after a decade in jail, has traveled from Switzerland to Israel on a private visit, his spokesman said Friday.

Khodorkovsky, who was in Switzerland with his family, "is on a short private visit" in Israel, his spokesman David Krikler told AFP, confirming news reports.

Sri Lanka said Friday it would protest to the United States over its allegations that army shelling killed hundreds of families during the final days of the island's ethnic civil war.

A senior foreign ministry official said the allegation, made in a U.S. embassy tweet Thursday, would be discussed with visiting Ambassador for Global Criminal Justice Stephen Rapp.

Iran and EU representatives met for a second day Friday to discuss how to implement a landmark deal on containing Tehran's nuclear program, which they aim to put into action within 10 days.

Negotiators have said they want to implement the deal, which aims to rein in Tehran's nuclear program in exchange for some sanctions relief, by January 20.

German President Joachim Gauck and his French counterpart Francois Hollande will commemorate the victims of World War I together on August 3 in eastern France, the German president's office said Friday.

"The president will travel to Vieil-Armand on August 3," a spokeswoman for Gauck said, referring to the former battlefield in the French region of Alsace.

Turkey's top judicial body hit back Friday at government's plans to curb its powers, adding fuel to a bitter row over a vast corruption probe engulfing Prime Minister Recep Tayyip Erdogan.

The parliament began on Friday to debate the proposed reforms, which would give the justice ministry more powers to decide who makes up the Supreme Board of Judges and Prosecutors (HSYK) and strip the legal body of its powers to pass decrees.