Smoke started filling the cabin of a KLM Royal Dutch Airlines plane after a portable phone charger caught fire midflight this week, a video shows.

Passengers were seen covering their faces as a flight attendant holding a fire extinguisher walked down the aisle.

The flight Tuesday night took off from São Paulo, Brazil, en route to Amsterdam.

"Smoke was detected on board due to a burning power bank," the airline said in a statement. "The crew quickly extinguished the device, following established safety procedures."

The flight continued to Amsterdam and landed safely. No injuries were reported.

Power banks , or portable chargers, typically contain lithium-ion batteries. The batteries are permitted on planes, but not in checked luggage due the risk of them overheating. Also used in cell

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