BAUCHI, Nigeria - 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, the police said.Among those abducted were a Briton, an Italian, a Greek and more than one Lebanese worker, including two women, local government chairman Adamu Aliyu and security sources said.Northern Nigeria is plagued by attacks and kidnappings by Islamist groups. Al-Qaida aligned group Ansaru claimed the kidnap in December of a French national who is still missing.Bauchi Police Chief Mohammed Ladan said the gunmen attacked a police station and a prison overnight before storming the construction firm's compound in Jama'are town.