[an error occurred while processing this directive] BBC News
watch One-Minute World News Last Updated: Saturday, 11 August
2007, 13:36 GMT 14:36 UK Gangs clash in Nigerian oil city Four
people have been killed in gun battles between rival gangs in
Port Harcourt, the main city in Nigeria's oil-rich Niger Delta
region.  A large fuel-pumping station in the city was also
attacked.  The latest violence brings the number killed in
nearly a week of fighting between gangs to at least 10 people.
Violence around Port Harcourt has increased since militants
launched a campaign last year for a greater share of oil revenue
for the poor region.  Oil output cut  The fighting began on
Monday with sporadic clashes between gangs that Port Harcourt
residents say are vying for control of territory in the city.
Residents reported gunshots and explosions through Friday night
and on Saturday the battles intensified.  Security forces have
set up roadblocks and mounted patrols in some areas of the city.
The security situation in so