Ivory Coast's rebel-leader-turned-Prime-Minister Guillaume Soro arrived in the country's main city on Monday, 10 days after a failed bid on his life that killed four people accompanying him.

Soro landed in Abidjan, the west African country's coastal economic hub, from neighbouring Burkina Faso, whose president had got Soro and Ivorian President Laurent Gbagbo to sign a new peace deal in March.

"I have returned so that Ivorians can renew the peace," process, said Soro, who survived rocket attacks on his twin-engine Fokker jet as it landed in Bouake, the headquarters of his New Forces erstwhile rebel movement.

"The most important thing is that we want to show everybody who wishes to hamper the peace process that we are determined and unruffled," he said.

"Ivorians have a right to peace."

Soro has dismissed claims that the June 29 attack on his plane in the central city of Bouake was staged by malcontents in the former New Forces rebel group and has called for an international probe into the incident.

That call has been backed by Ivory Coast's former colonial ruler France and by Burkina Faso.

Peace plans cobbled by France, the United Nations and a west African regional bloc following a 2002 failed coup mounted by Soro have collapsed with the warring sides breaching the accords and accusing each other of foul play.

Under the latest peace agreement brokered by Burkina Faso President Blaise Compaore, Soro was appointed prime minister in a new unity government.

Meanwhile, the country is still sliced in half between the government-controlled south and the rebel-administered north.

The uprising was mounted by the Muslim-majority northerners who claimed they were being marginalised by the government of Gbagbo, a Christian from the south.