(Bloomberg) -- Mexico will review the configuration of the airspace above the nation’s capital after an incident involving two planes on Saturday added to growing concern over flight safety into the sprawling metropolis.

Videos posted to social media from Saturday showed an aircraft from Controladora Vuela Cia de Aviacion, known as Volaris, approaching a runway at Mexico City’s airport that was already occupied by another Volaris jet. The incoming plane quickly aborted landing.

Even before that incident, a pilot’s association and the International Air Transport Association raised concerns last week of a worrying increase in incidents of planes being in danger of flying into the ground or another obstacle since the capital’s airspace was redesigned last year.

Mexico City’s Benito Juarez International Airport recorded at least 17 such ground proximity warning events since April 2021. 

“There’s a meeting with the Interior Ministry to put the airspace matter in order,” President Andres Manuel Lopez Obrador said Monday morning during his daily press conference. “Apparently there was an error and it’s being investigated.”

The president also confirmed that the head of Mexico’s airspace navigation agency, Victor Manuel Hernandez, has resigned.

Read More: Mexico Navigation Agency Chief Resigns Amid Safety Concerns

The Communications, Transportation and Infrastructure Ministry said it would look into Saturday’s incident with the Volaris jets in a statement on Sunday night. It also set up “permanent working tables” with the heads of the pilots, flight crew and air controllers unions, as well as the IATA to “strengthen and improve” safety in Mexico City’s airspace, according to the statement.

On Friday, the ministry had said its agencies hadn’t received official reports of ground proximity warning events since June 2021. The head of the air controllers union said on Monday they had reported at least 30 incidents since the redesign, according to El Financiero.

Read More: Airline Group IATA Calls Out ‘Worrying Situation’ in Mexico City

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