Open letter to South Africa’s students‚ universities and government‚ represented by Minister in the .
LAGOS - Gunmen attacked an oil installation yesterday in Nigeria's restive southern oil heartland and seized five expatriate workers, private security officials said.
Police were investigating a reported incident .
Officials involved in protecting oil company staff in the Niger Delta could not give further details on the seized workers.
A top militant gang, whose one-month ceasefire ended on Tuesday, said their group was not responsible. - Sapa-AP