"I left my home because there are leaflets saying that (the Ugandan rebels) are coming to kill people," said Solange Sekera, 27, who was leaving town with her three children.
Sekera had not actually seen the leaflets herself but she was not taking any chances.
Terrified by Thursday's rampage by Ugandan rebels who slaughtered 26 people with machetes, many residents have decided that the town in North Kivu province is no longer safe.
"We have to take care of ourselves. The authorities have promised to restore order in the city... But we have no faith in them," he added.
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Despite mayor Nyonyi Masumbuko's best efforts to calm nerves -- including going on radio to send the message: "I assure you that all security measures have been taken. Stay calm at home, the authorities are in control of the situation." -- residents were deaf to the appeal.
Today, dozens of inhabitants were carrying bags and even mattresses as they headed out of town.
Violence has never been far from mineral-rich eastern Democratic Republic of Congo, where rival rebel groups have terrorised local populations over two decades, committing a slew of atrocities including murder and mass rape.
The Congolese army, supported by UN peacekeepers from the MONUSCO stabilisation mission had dealt the rebels a series of severe blows earlier this year, including defeating the M23 militia, once the strongest group of insurgents in the region.
But one militia group -- the Allied Democratic Forces and National Army for the Liberation of Uganda (ADF-NALU) -- remains active in the region.
Led by Jamil Mukulu, a Christian who converted to Islam, the rebels have financed themselves by trafficking gold and wood. Beni is a major hub for wood destined for Uganda.
The rebel group counts about 400 fighters today.
After being pushed back by the Congolese army and UN forces, the group has in recent weeks began to attack isolated villages again, killing at least 80 people over the past fortnight, the lobby group Civil Society of North Kivu said.