Soldiers in Gabon have attempted a coup, announcing the establishment of a "restoration council" after taking over the national radio station.

But the communications minister later on Monday announced most of the renegade military officers had been arrested and the situation was under control. There were still reports of shots being fired in the capital, Libreville.

Reading out a statement, the officers condemned President Ali Bongo who addressed his compatriots last week from Morocco for the first time since reportedly suffering a stroke in October.

A New Year's address by Bongo "reinforced doubts about the president's ability to continue to carry out of the responsibilities of his office", said Lieutenant Kelly Ondo Obiang, leader of the self-declared Patriotic Movement of the Defence and Security Forces of Gabon.

"Once again, one time too many, the wielders of power deceptively continue to instrumentalise the person of Ali Bongo Ondimba, a patient devoid of many of his physical and mental faculties," said Ondo Obiang.

Gunfire in the capital

Gunfire was heard around state television offices in the centre of the capital at about 6:30am (05:30 GMT), and military vehicles blocked access to the site.

Most of Libreville remained calm later in the day but there was a strong police and military presence on the streets and helicopters circled overhead.

A crowd of about 300 people had gathered at the radio station in support of the attempted coup, but soldiers fired tear gas to disperse them.

Bongo, 59, is said to have suffered a stroke on October 24 while visiting Saudi Arabia and has since been treated in Morocco. His family has ruled the oil-rich Central African nation for nearly half a century.

The president posted a video message recorded in Rabat and distributed via social and traditional media last Monday in which he admitted he had been "through a difficult period".

But he added: "Today, as you can see, I am preparing to meet you again soon."

Presidential spokesperson Ike Ngouoni later told AFP: "This speech is proof that President Ali Bongo is fully recovered. His health problems are now behind him."

In a video circulating on social media, Ondo Obiang is seen in a radio studio wearing military fatigues and a green beret as he reads the statement. Two other soldiers with assault rifles stand behind him.

Ondo Obiang said the coup was being carried out against "those who, in a cowardly way, assassinated our young compatriots on the night of August 31, 2016" - a reference to deadly violence that erupted after Bongo was declared the winner of a disputed election.

A source close to the government told the Reuters news agency the plotters appeared to be a small group of soldiers.

The situation remained unclear Monday afternoon.

Government spokesman Guy-Bertrand Mapangou said four of the five officers who attempted a coup had been arrested.

"Calm has returned, the situation is under control," he said.

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'Decapitation strike'

Gabon, a small country with a population of about two million people, is estimated to be the fourth-richest nation in Africa.

Aly-Khan Satchu, an economist and Africa analyst, said Gabon is an "extremely unequal society" and it was likely the population and other military factions would support the move, noting the government hasn't "taken care of its citizens".

"The captain has been out of the country for a few months, this is a decapitation strike which I think will be difficult for the family to repel," Satchu told Al Jazeera. "It will be very difficult for the president to regain control while he's sitting in Morocco."

He said it remains to be seen what happens next, but noted about 900 French troops are in the country, a legacy of the colonial period.

"Will the French salvage the regime? I suspect not," he said, adding, "I don't think these guys are working on their own. It's not visible yet."

Satchu said the coup attempt reflects a broader trend of discontent in Africa over long-serving leaders who have failed to heed the needs of their people.

"What we're watching across this continent - whether it's Gabon, Sudan, or DR Congo - is a kind of tipping point moment," he said.

American presence

France on Monday condemned an attempted coup in its former colony Gabon and called on its citizens in the capital Libreville to avoid moving around the city.

"We condemn any attempt to change government outside constitutional rules," French foreign ministry spokeswoman Agnes von der Muhll said in a statement. "Gabon's stability can only be ensured in strict compliance with the provisions of its constitution."

The US military has deployed soldiers and equipment to Gabon amid fears of violent protests in the neighbouring Democratic Republic of the Congo after its contested presidential election.

President Donald Trump told US Congress on Friday the first of about 80 troops arrived in Gabon last Wednesday to protect American citizens and diplomatic facilities if violence breaks out in the DRC capital, Kinshasa.

Bongo won re-election in 2016 by fewer than 6,000 votes, sparking deadly clashes between protesters and police during which the parliament was torched.

The European Union said it found anomalies during the election in Bongo's stronghold province of Haut-Ogooue, where he won 95 percent on a 99.9 percent turnout.

His father, Omar Bongo, ruled Gabon for 42 years before his death in 2009 when Ali Bongo first took power.