Thousands of Syrian refugees will be left stranded by Lebanese government decision.
Lebanon is toughening enforcement of work and housing rules for more than one million Syrian refugees.
At least 20 refugee homes were demolished on the Lebanese border on Monday.
The military arrived at dawn with a small bulldozer taking down a few shelters in the makeshift Arsal refugee camp and asked the refugees to remove their concrete walls and metal roofs.
Refugees have spent five years in the Arsal refugee camp.
At least 15,000 children could become homeless.
A refugee said, we’re scared of the future, God knows what more decisions the authorities will come up with next.
The Human Rights Watch described the removal order as one of many recent actions to pressurize the Syrian refugees to go back.
Some Lebanese officials have called mainly the Sunni refugees a threat to Lebanon and pushed hard for Syrians to go home.
Foreign Minister Gebran Bassil said, they should not wait for an elusive peace deal to end the war.
Lebanon is fragile with sectarian political system.
Tens of thousands of refugees have returned as fighting died down and Damascus reclaimed much of Syria.