The flight landed instead in El Paso due to security concerns raised by a note passed by two children, authorities said.

A flight from Minneapolis to Mexico on Wednesday had to be diverted to El Paso due to a “security concern,” drawing a response from the FBI. Sun Country Airlines Flight 593 was forced to make an unscheduled stop in El Paso, near the US-Mexico border. The plane reportedly landed without incident, according to NBC News.

A Sun Country Airlines flight from the Twin Cities to Mazatlán, Mexico, was diverted to El Paso, Texas, on Wednesday afternoon “out of an abundance of caution in response to a security concern.”