Armed attackers kidnapped eight foreign workers in [northerly / northern] Nigeria on Sunday. The [abductees / abduction] were taken from the [residual / residential] compound of a Lebanese construction company. A security guard was killed as he tried to prevent the [assailants / avails] from entering the camp. The kidnapped workers are [believed / believers] to be from Britain, Greece, Italy and Lebanon. A woman and her daughter are [among / belonging] them. A local government official, Adamu Aliyu, said the [attackers / attack] occurred at 2:15am. The gunmen also attacked a police station and a prison [on / at] their way to the compound. A police [chef / chief] said: "We repelled the attack...but they burnt two [vehicular / vehicles] ." This attack is the [worse / worst] ever case of foreigners being kidnapped in the north of Nigeria. Kidnappings for [ransom / damsel] occasionally occur in the south, especially in the areas that [supportive / support] the country's oil industry. Violence in the north has [largely / largesse] been of the nature of attacking churches and police stations, and kidnapping [localities / locals] . No one has yet [done / taken] responsibility for yesterday's [raid / ride] , but security experts believe one of northern Nigeria's Islamist groups is [behind / beyond] it. The Al Qaeda [splinter / chipping] group Ansaru has been active in recent months. The larger group Boko Haram, which means 'Western education is forbidden,' has been the most active in the area. It is reportedly responsible [of / for] hundreds of deaths, and church bombings.