French energy giant Total has shut its operations and withdrawn all staff from a site in northern Mozambique following last week's deadly jihadist attack in the area, security sources said.
"Total has gone," a security source in Maputo told French news agency AFP on Friday, adding that "it will be hard to persuade them to return" this year.
And a military source added, "all the facilities are abandoned.Total made a decision to evacuate all of its staff", after drone surveillance showed insurgents were in areas "very close" to the gas plant in Afungi.
Another source confirmed the were reports that insurgents were not far from the site.
Afungi peninsula is only 10 kilometres from the town of Palma, which came under attack more than a week ago, resulting in the death of dozens of people, including at least two expatriate workers.
The brazen assault on 24 March was the latest in a string of more than 830 organised raids by the Islamist militants over the past three years during which more than 2,600 people have died.
Total had already evacuated some staff and suspended construction work in late December following a series of violent attacks near its compound.
But last week's raid is seen as the biggest escalation of the Islamist insurgency ravaging Cabo Delgado province since 2017.
Many civilian survivors fled their homes flocking towards the heavily secured gas plant.
An estimated 15,000 people have gathered near the site, while more are still arriving and "security is compromised", said another source.
The humanitarian "situation continues to deteriorate," added the source
Total's clear-out came as Afungi army commander Chongo Vidigal declared on Thursday the gas project was "protected".
"We are currently in the special area in Afungi and never had a terrorism threat," he said.
Total did not immediately respond to requests for comment.
Most means of communication were cut after the Palma onslaught began.
Thousands of troops have been deployed to Cabo Delgado, but Mozambique's ability to fight the insurgency has long been questioned, with analysts pointing to poor training and lack of equipment.
Government security forces are also bolstered by a South African private military company, Dyck Advisory Group (DAG).
Largest ever project in Africa
Total and its partners planned to invest $20 billion (17 billion euros) in the project, the largest amount ever for a project in Africa.
In February, Total chief executive Patrick Pouyanné insisted that the project, which it inherited from the US energy firm Anadarko, was still on track to begin operations in 2024.
He said this having reached agreement with Mozambican President Filipe Nyusi to set up a 25-kilometre radius secure zone around the site.
But last week the jihadists attacked, just 10 kilometres from the compound and reportedly beheaded residents and ransacked buildings in the latest rampage.
Hundreds, including many foreign workers, have been evacuated by air and sea while thousands of locals walked to safety.
The United Nations said it has recorded at least 9,100 people internally displaced by the latest violence.
The violence has uprooted nearly 700,000 people from their homes since October 2017.
Cabo Delgado's jihadists have wreaked havoc across the province with the aim of establishing a caliphate.
The insurgents are affiliated with the Islamic State group, which claimed the Palma attack.