Nigeria will repatriate 130 Nigerians living in South Africa after a new wave of anti-immigration protests in that country, according to the foreign minister, who summoned South Africa's top representative there on Monday to express concern. Nigeria's foreign minister, Bianca Odumegwu-Ojukwu, described the repatriation effort as voluntary and said more people were expected to sign up. Odumegwu-Ojukwu was meeting with South Africa’s acting high commissioner to convey the Nigerian government’s "profound concern.” No Nigerians were killed in last week’s protests against migrants in South Africa, who have been targeted over the years and accused of taking jobs in a country with high unemployment.…