A British Airways plane was forced to make an emergency landing in Valencia after smoke engulfed the cabin shortly before landing.
Footage shared online showed tourists using the evacuation slides on the runway at Valencia.
In a statement, the airline confirmed the flight BA422 from London had "experienced a technical issue" as it approached the Spanish airport.
All 175 passengers were evacuated to safety, with the airline later issuing them an apology.

Trump adds seven countries to full travel ban list
Myanmar junta says Suu Kyi 'in good health' after son raises alarm
Family of alleged Bondi gunman unaware of 'radical mindset', say Indian police
Trump orders 'blockade' of sanctioned oil tankers leaving, entering Venezuela
Israeli forces kill Palestinian teen in West Bank, health ministry says