Several hundred demonstrators rallied outside a London police station Saturday to condemn an inquest which found that police lawfully shot dead a man in 2011, in a killing that sparked nationwide riots.

They condemned the "perverse" jury verdict returned on Wednesday, on the death of Mark Duggan, who was shot after armed police stopped the taxicab he was in as it travelled through Tottenham, north London, in August 2011.

Sudan said on Saturday it disarmed more than 50 fighters from the southern Nuer tribe who crossed the border, in the first such incident since fighting began between the South Sudan army and rebel troops.

South Sudan rebel leader Riek Machar is from the Nuer tribe while President Salva Kiir belongs to the majority Dinka.

Tens of thousands of protesters in Spain's Basque Country defied Madrid on Saturday by holding a mass demonstration marked by tensions over jailed members of the armed separatist group ETA.

Crowds filled the streets in the northern city of Bilbao in a march for "human rights, understanding and peace", after a judge banned another demonstration planned to demand concessions for the prisoners.

A top U.N. official called for calm Saturday in the Central African Republic, following the resignation of its president and prime minister after months of sectarian violence.

The United Nations' special representative to the country, Babacar Gaye, appealed to the population "to maintain calm and show maturity following the resignations."

The Italian navy said Saturday it had rescued 200 migrants, including women and children, attempting the perilous journey across the Mediterranean by boat in rough winter seas.

A military vessel swept to the aid of the refugees travelling in a rickety, overcrowded boat without life jackets, read a navy statement.

Turkey's justice minister said Saturday that the government may back down on a bid to curb judges' powers amid a deepening corruption scandal, local media reported.

"If political party groups come together ... and reach a consensus, the proposal could be halted," Bekir Bozdag was quoted as saying by the private NTV television.

French police said a body was discovered Saturday near the site of a helicopter crash that is thought to have killed a Chinese tycoon and a French winemaker, whose remains were never found.

The body was found on the banks of the Dordogne river in southwest France, some 10 kilometers (six miles) from the spot where the helicopter crashed into the river in December carrying four people.

Benin on Saturday said it hoped the arrival of the Central African Republic's embattled former president would help restore calm to the troubled nation, after he quit under pressure from regional leaders.

Michel Djotodia, who resigned with his prime minister Nicolas Tiangaye, touched down in Cotonou at 5:05 pm local time (1605 GMT) on a flight from the Chadian capital, N'Djamena.

Tens of thousands of demonstrators took to the streets of Turkey's capital Ankara Saturday in protest against Prime Minister Recep Tayyip Erdogan's government, which has been rocked by a vast corruption probe.

As Erdogan arrived home after a week-long tour to Asia, about 20,000 protesters gathered at Ankara's major Sihhiye Square, chanting "revolution will clean this filth" and "they are thieves".

Spanish King Juan Carlos's daughter Cristina has abandoned plans to appeal her court summons as a financial fraud suspect, her lawyers said Saturday, in a scandal that has plunged the royals into crisis.

The king's youngest daughter, 48, will become the first of his direct relatives to appear in court accused of wrongdoing when she answers the summons, set by a judge for March 8.