A “suspicious” incident aboard an airliner that forced the evacuation of its passengers and crew at Amsterdam’s Schiphol airport on Wednesday evening proved to be a false alarm, the airline said.

Axar.az reports citing Reuters.

Spanish-owned Air Europa said in a statement that a pilot had accidentally triggered an alarm, causing a major security lockdown at one of Europe’s busiest airports.

“In a plane (set to fly) from Amsterdam to Madrid tonight an alarm was accidentally activated which set off safety protocols at the airport,” it said. “There was no cause for alarm, all passengers were fine and waiting for the flight to take off.”

It added: “We are sorry, there was no cause for alarm.”

Dutch military police had earlier reported a “suspicious situation” aboard the airliner and launched an investigation.

The passengers and crew of an airliner at Amsterdam’s Schiphol airport were safely evacuated on Wednesday after authorities said they were investigating “a suspicious situation” on board.

“Passengers and crew are safely off the plane. An investigation is ongoing,” Dutch military police said in a statement. No additional details were provided.

Dutch authorities declined to name the carrier to which the plane belonged or give further information.