President Olusegun Obasanjo ordered security services to step up protection of Nigeria's pipelines after a gas conduit exploded, killing up to 200 people, state radio said today.
Mr Obasanjo described the burning of scores of villagers as they gathered free fuel from the pipeline as "grave" and ordered an investigation into the cause of the blast, Radio Nigeria said.
Oil-region militants have targeted pipelines and other petroleum-industry infrastructure in Africa's oil giant, cutting production by a quarter. But there was no sign that yesterday's fire on a ruptured pipeline was sabotage.
Lagos State Health Commissioner Tola Kasali
Gasoline gushing from the pipeline exploded as villagers scavenged for the fuel, setting off an inferno that killed up to 200 people. It appeared some victims tried to flee the unfolding disaster only to be overtaken by flames spreading across the fuel slick.
More than 1,000 people in Nigeria have died in recent years when fuel they were pilfering from pipelines caught fire - and officials said it would likely happen again.
"Because this thing has happened many times before, we thought it would be a deterrent, but apparently it wasn't enough deterrent for these people who died," said Lagos State Health Commissioner Tola Kasali, surveying the scene near Ilado, about 30 miles east of the main city of Lagos.
"Anywhere you have a pipeline in this country, you have this problem because people are greedy and they want quick money," he said.
It was not known what set the fuel ablaze. Police and rescue workers said villagers were collecting the gushing gas when the fuel ignited, and Lagos Police said 150 to 200 people died.
The Red Cross had said it was treating survivors, but no live victims were seen. By day's end, about 100 of the dead had been buried and cleanup efforts were to resume today. The uncollected bodies pose a health risk to the millions of inhabitants of Lagos, whose skyline could be seen on the horizon.
"We just decided to give them a mass burial because no one can recognise them - even their family members can't identify them," Commissioner Kasili said.
The pipeline was run by Nigeria's state oil company and was used to transport gasoline across the country for national consumption.
The impoverished people of Nigeria often tap pipelines, seeking fuel for cooking or resale on the black market.