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Beirut, Jun 12: Angry Lebanese protesters blocked roads across the country with burning tyres, debris and their vehicles, incensed over the local currency's depreciation by more than 25 percent in just two days.

The demonstrations from northern Akkar and Tripoli to central Zouk, the eastern Bekaa Valley, Beirut and southern Tyre and Nabatieh on Thursday were some of the most widespread in months of upheaval over a calamitous economic and financial crisis.

Protesters set ablaze a branch of the Central Bank, vandalised several private banks and clashed with security forces in several areas. At least 41 people were injured in Tripoli alone, according to the Lebanese Red Cross.

"I'm really pissed off, that's all. If politicians think they can burn our hearts like this the fire is going to reach them too," unemployed computer engineer Ali Qassem, 26, told Al Jazeera after pouring fuel onto smouldering tyres on a main Beirut thoroughfare.

Tens of thousands of Lebanese have lost jobs in the past six months and hundreds of businesses have shuttered as a dollar shortage led the Lebanese pound to slide from 1,500 to $1 last summer - where it was pegged for 23 years - to roughly 4,000 for each US dollar last month.

But the slide turned into a freefall between Wednesday and Thursday when the pound plummeted to roughly 5,000 to $1 on black markets, which have become a main source of hard currency. There was widespread speculation the rate hit 6,000 or even 7,000 pounds to the dollar, though most markets stopped trading.

Protesters began amassing on streets across the country before sunset and increased into the thousands across the country as the night fell.

Prime Minister Hassan Diab cancelled all meetings scheduled for Friday to hold an emergency cabinet session at 9:30am and another at 3pm at the presidential palace to be headed by President Michel Aoun.

The pound's collapse is the perhaps the biggest challenge yet for Diab's young cabinet, which gained confidence in February after former prime minister Saad Hariri's government was toppled by an unprecedented October uprising that had the country's economic crisis at its core.

Economy Minister Raoul Nehme told Al Jazeera that there was "disinformation" being circulated about the exchange rate on social media and said he was investigating possible currency manipulation.

"I don't understand how the exchange rate increased by so much in two days," he said.

Many protesters have pitted blame on Central Bank governor Riad Salameh, nominally in charge of  keeping the currency stable. But they have also called on the government to resign.

"If people want reform between dawn and dusk, that's not going to work, and if someone thinks they can do a better job then please come forward," Nehme said.

"But what we can't have is a power vacuum - then the exchange rate won't be 5000, it'll be a catastrophe."

'Everyone paying the price'

When protesters set a large fire in Beirut's Riad al-Solh Square, which lies at the foot of a grand Ottoman-era building that serves as the seat of government, firefighters did not intervene to extinguish it.

It later became clear why: Civil Defence told local news channel LBCI they had run out of diesel to fuel their firetrucks.

Basic imports such as fuel have been hit hard by the currency crisis, making already-weak state services increasingly feeble.

A half-dozen or so police officers with Lebanon's Internal Security Forces observed the scene unfolding in front of them in the square.

"Why do you destroy shops and things and attack us security forces - do you think we're happy? Go and f****** break that wall or go to the politicians' houses," one police officer told Al Jazeera, referring to a large concrete barrier separating protesters from the seat of government.

"In the end we are with you and we want the country to change. Don't you dare think we're happy. My salary is now worth $130," the officer said.

The currency's spectacular fall seems to have pushed many Lebanese to put common interests above their differences.

Large convoys of men on motorbikes from Shia-majority areas of southern Beirut joined the demonstrations on Thursday, though they have clashed with protesters many times before - including at a protest on Saturday.

Some chanted sectarian insults, leading to brief clashes in areas that were formerly front lines during the country's devastating 15-year civil war.

Instead, the motorbike-riding demonstrators on Thursday chanted: "Shia, Sunni, F*ck sectarianism."

"We are Shia, and Sunnis and Christian are our brothers," Hisham Houri, 39, told Al Jazeera, perched on a moped with his fiancee behind him just a few metres from a pile of burning tyres.

The blaze sent thick black smoke into the sky towards an iconic blue-domed mosque and church in downtown Beirut.

"Politicians play on these sectarian issues and sometimes succeed, but in the end, they'll fail because all the people have been hurt," he said. "The dollar isn't just worth 6,000 for Shias or for Sunnis, everyone is paying that price."

Hong Kong, Jan 3: Oil prices soared more than four per cent Friday following claims that the US had killed a top Iranian general, ratcheting up tensions between the foes and fuelling fears of a conflict in the crude-rich region.

The head of Iran's Quds Force, Qasem Soleimani, was hit in an attack on Baghdad international airport early Friday, according to Hased, a powerful Iraqi paramilitary force linked to Tehran.

Brent surged 4.4 per cent to USD 69.16 and WTI jumped 4.3 per cent to 63.84.

“Oil prices still have room for further upside as many analysts are still having to upgrade their demand forecasts to include a rather calm period on the trade front,” Moya said, referring to the warming trade relation between China and the United States.

“President Trump is likely to take a break on being ‘tariff man’ until we get beyond the presidential election in November.”

Dubai, Jan 8: A Ukrainian airliner crashed soon after taking off from Tehran's Imam Khomeini airport on Wednesday, killing all 176 people aboard, Iran's state television and Ukraine's leaders said.

The Boeing 737 belonging to Ukraine International Airlines crashed near the airport and burst into flames. Ukraine's embassy in Iran, citing preliminary information, said the plane had suffered engine failure and the crash was not caused by "terrorism".

Ukraine President Volodymyr Zelenskiy said there were no survivors.

"My sincere condolences to the relatives and friends of all passengers and crew," Zelenskiy said in a statement, adding that Ukraine was seeking to establish the circumstances of the crash and the death toll.

Iranian TV said the crash was due to technical problems but did not elaborate. State broadcaster IRIB said on its website that one of the plane's two black boxes - the flight data recorder and the cockpit voice recorder - had been found.

Iranian media quoted an Iranian aviation official as saying the pilot of the airliner did not declare an emergency.

There was no official word from Ukraine International Airlines. It was the Kiev-based airline's first fatal crash.

"The fire is so heavy that we cannot (do) any rescue... we have 22 ambulances, four bus ambulances and a helicopter at the site," Pirhossein Koulivand, head of Iran's emergency services, told Iranian state television.

Ukraine's prime minister and Iranian state TV said 167 passengers and 9 crew were on board. Iranian TV said 32 of those on board were foreigners.

Television footage showed debris and smouldering engine parts strewn across a field, and rescue workers with face masks retrieving bodies of the victims.

According to air tracking service FlightRadar24, the plane that crashed was Flight PS 752 and was flying to Kiev. The plane was three years old and was a Boeing 737-800NG, it said.

The model's twin engines are made by CFM International, a U.S.-French venture co-owned by General Electric and France's Safran.

Modern aircraft are designed and certified to cope with an engine failure shortly after take-off and to fly for extended periods on one engine. However, an uncontained engine failure releasing shrapnel can cause damage to other aircraft systems.

A spokesman for Boeing said the company was aware of media reports of a plane crash in Iran and was gathering more information. The plane manufacturer grounded its 737 MAX fleet in March after two crashes that killed 346 people.

The 737-800 is one of the world's most-flown models with a good safety record and which does not have the software feature implicated in crashes of the 737 MAX.

Under international rules overseen by the United Nations, Iran is responsible for leading the crash investigation.

Ukraine would be involved and the United States would usually be accredited as the country where the Boeing jet was designed and built. France, where the engine maker CFM has half its activities, may also be involved.

There was no immediate word on whether the U.S. National Transportation Safety Board would be involved in the probe amid escalating tensions between the U.S. and Iran. The NTSB usually invites Boeing to give technical advice in such investigations.