BBC News with Jonathan Izard

At least 120 Kenyans have been killed in a fire at a fuel pipeline in a Nairobi slum. Witnesses said residents had been collecting fuel as it leaked from the pipeline into nearby open sewers. The Kenyan Prime Minister Raila Odinga told the BBC the leak started in the premises of an oil company.

"The actual accident occurred inside the premises of the company. Oil just got mixed with draining water. We have had this kind of accident in the past, and there have been a lot of warning[s] that people should not try to

thrill

whenever there's an accident."

Police suspect a cigarette butt may have caused the explosion. Kevin Mwachiro went to the site of the explosion.

I was at a scene of despair and destruction. You could still smell the perfume in the air, and also there's a stench of death. There were hundreds upon hundreds of people looking at the Red Cross workers trying to carry out rescue operations. We understand Red Cross have put up tents in that area and are offering counselling to the residents. They've lost incomes, and they've lost loved ones, people who are breadwinners. There have been lots of children who've been killed as well. So it's

stretch

ing the rescue support that is getting there right now.

The Nigerian President Goodluck Jonathan has told his armed forces to halt the violence in Plateau state, in the centre of the country, the scene of