At least 100 people, many of them children, have been killed in an oil pipeline explosion in the Nigerian city of Lagos, the local Red Cross says.
The blast tore through Ijegun suburb, engulfing schools and homes after a bulldozer burst the pipeline.
Officials at the scene said many died after being overcome by smoke; others were killed in a stampede to escape.
One rescue worker told the BBC a local tracing centre had been formed to find missing relatives.
"People are looking for family members. Parents are looking for children," he said, as firefighters fought the blaze with sand and water.
Discarded school bags and sandals littered a school whose pupils tried to flee. Witnesses said the ground around the explosion was so hot that shoes melted.
One local resident, injured in the fire, described the blast.
"I was just doing sewing work when I saw everything just got exploded. I just picked up my baby and started running - it was the heat," she told the BBC's Network Africa programme.
Advertisement
Nigeria pipeline clips
The BBC's Umar Shehu Elleman in Lagos says a two-hour downpour on Friday morning may have quenched the flames that were brought under control overnight but were still burning.
Accident
At least 36 people have been taken to a nearby military hospital, National Emergency Management Agency (NEMA) spokesman Abdulsalam Mohammed said.
Correspondents say residents are beginning to assess the damage to the area.
"People have lost millions of naira and lots of cars," resident Jimoh Hazan told AFP news agency.
Other residents said there was incidents of looting homes deserted in the aftermath of the blast.
Nigeria is one of the world's major oil producers and pipelines cut through many residential areas, both in cities such as Lagos and oil-producing areas.
Several of these have exploded, often when local people cut holes in them to steal oil.
The Nigerian National Petroleum Corporation (NNPC) says there were at least 400 acts of vandalism on its pipelines each year, reports the AP news agency.
But the BBC's Alex Last in Lagos says it seems this incident was just a terrible accident.
At least 40 people were killed in a pipeline explosion in December in Lagos last year.
In 2006, some 400 people were killed in two blasts in Lagos.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.
Bookmark with:
What are these?