A huge blaze engulfing Libya's biggest fuel storage facility in the capital, Tripoli, has spread to a second tank.
Libya's National Oil Company (NOC) has described the fire as "out of control".
It comes hours after the authorities appealed for international assistance to try to contain the blaze.
The government blames clashes between rival militias for starting the fire, which it says may cause a humanitarian and environmental disaster.
At least 97 people have been killed in fighting between rival militia groups battling for control of Tripoli's main airport in the past week.
Evacuation
Firefighters almost managed to put out the blaze when it took hold of a first tank but had to withdraw after fighting resumed in the area, Libyan oil company spokesman Mohamed Al-Harrai told the BBC.
He said shrapnel hit the second fuel tank, igniting it, and the fuel compound was still being hit.
The government has been unable to disarm the numerous armed groups controlling large parts of the country, which are behind Libya's worst violence since the 2011 uprising that toppled Col Muammar Gaddafi.
It has led some Western governments to urge their nationals to leave and withdraw foreign staff from their embassies in Tripoli.
Libyan government officials have warned of the possibility of a break-up of the country if clashes over Tripoli airport continue.
Members of the Islamist Libya Revolutionaries Operations Room (LROR) are trying to seize control of the airport, which has been in the hands of the Zintan militia since the overthrow of Col Gaddafi.
In Benghazi, at least 38 people were killed in clashes between between troops loyal to the Libyan government and Islamist fighters on Sunday.
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The trash crisis has ignited the largest Lebanese protests in years and has emerged as a festering symbol of the government's paralysis and failure to provide basic services. It was sparked by popular anger over the heaps of trash accumulating in Beirut's streets after authorities closed the capital's main landfill on July 17 and failed to provide an alternative.
The protests quickly moved beyond just the trash in the streets to target an entire political class that has dominated the country and undermined its growth since the civil war ended in 1990. Lebanon has a confessional power-sharing system that often leads to incessant bickering and cronyism among the country's politicians.
Thousands of people have taken part in huge demonstrations over the past two weeks. Among other things, they are demanding new parliament elections, to be followed by presidential elections.
The country has been without a president for over a year, and members of parliament have illegally extended their term twice amid disputes over an election law.
After meeting for three and a half hours, leaders of Lebanon's various sectarian blocs issued a brief statement, saying the talks would resume in a week.
"They did not even bother to meet tomorrow or the day after, they postponed it for a week and came out without any decision," said Assaad Thebian, an organizer with the main group behind the protests, which calls itself "You Stink."
"They showed that they are indifferent and should not be in leadership positions," he told The Associated Press.
"This dialogue is a joke. They are meeting to see how they can split the cheese," said Marwan Basha, a 57-year-old engineer taking part in the sit-in near parliament, as riot police stood nearby. His T-shirt had Arabic words on the front, asking: "Where is the water, where is the electricity, where are the job opportunities?"
On the barbed wire that separates protesters from the building, activists pinned a large banner with the pictures of the 128 members of parliament reading: "You have failed at everything … Go Home."
So far, the only response to the growing protest movement has been a promise by the parliament speaker, Nabih Berri, for the high-level talks among the politicians.
His call has been backed by the main political leaders, who attended the meeting Wednesday, but it was unclear how such talks among the same veteran politicians being vilified by the protesters would help break the deadlock.
The leaders are deeply divided over core issues, such as what a new election law would look like, and whether it should be passed before or after a president is elected.
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