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Sunday Alamba, Associated Press
Police watch as people protest after the government suddenly removing subsidies on gasoline prices in Abeokuta ,Nigeria, Thursday, Jan. 5, 2012. Police fired tear gas to break up a sleep-in protest at a traffic roundabout in northern Nigeria early Thursday, as tensions mounted over spiraling gasoline prices in this oil-rich nation.

ABUJA, Nigeria — Nigeria's federal police promised Friday to protect peaceful protesters ahead of a planned national strike, but security forces blocked others upset over spiraling gasoline prices from demonstrating near the oil-rich country's seat of power.

Protests occurred in other cities in Nigeria on Friday ahead of a planned Monday national strike called by labor and trade unions over the removal of government-sponsored fuel subsidies. The nation's House of Representatives said it would meet Sunday to address the concerns of the people, but Nigeria's president appears unwilling to pull back from eliminating the subsidy.

Inspector Gen. Hafiz Ringim said he met with other leaders of Nigeria's security agencies over the protests that began after the government ended the subsidy Sunday. While promising to protect the peaceful, Ringim gave a strong warning that security agencies would use force if necessary.

"I want to urge the organizers and participating groups in the strike to be conscious take charge of their members and refrain (from) any acts of violence or any conduct likely to cause breach of the peace as government will deal decisively with acts of" violence, he said.

However, Ringim's promise to allow peaceful demonstration clashed with what occurred only a short distance away from police headquarters in the nation's capital Abuja. A heavy presence of police, soldiers and other security agents — some carrying gas masks — blocked protesters from demonstrating in the national parade ground near federal offices.

An Associated Press reporter saw about 100 protesters at one point.

"The president of Nigeria is asking us to make sacrifices but our question is: 'What sacrifices has he shown he's ready to make?'" asked protester Henry Okelue.

Gasoline prices have risen from $1.70 per gallon (45 cents per liter) to at least $3.50 per gallon (94 cents per liter) since the subsidy ended Sunday. That's caused prices to inflate for food and transportation across Nigeria, a nation of more than 160 million people where most live on less than $2 a day.

Few have seen any benefit from the country's vast oil wealth over decades of production that have seen Nigeria become a top crude supplier to the U.S. While the government has promised to invest part of an estimated $8 billion in savings back into needed projects, many remain convinced kleptocrat leaders will embezzle the money.

Nigeria, an OPEC member nation, produces about 2.4 million barrels of crude oil a day. However, virtually all of its petroleum products are imported after years of graft and mismanagement at its refineries.

Speaking in Abuja on Friday, President Goodluck Jonathan again defended eliminating the subsidy, saying the majority of Nigeria's capital budget last year came from borrowed money.

"No meaningful infrastructural development is possible in such an environment," Jonathan said, according to a statement from the presidency.

Whether the strike goes forward or a settlement will be reached remains unknown, though the public largely remains angry about the subsidies being suddenly removed. Hackers upset with the government targeted the website of the country's Ministry of Transportation on Friday, replacing its home page with a defiant message that said officials "sabotaged this country into a monolithic tyranny."

"Nigerians are stirring and with it, revolution is brewing," the message read.

Associated Press writer Jon Gambrell in Lagos, Nigeria contributed to this report.