BAUCHI — Gunmen kidnapped seven foreigners and killed a security guard when they stormed the compound of Lebanese construction company Setraco in northern Nigeria’s Bauchi state early on Sunday, police said. Among those abducted were a Briton, an Italian, a Greek and four Lebanese workers, including two women, local government chairman Adamu Aliyu and security sources said. It was the worst case of foreigners being kidnapped in the mostly-Muslim north of Africa’s most populous country since...