ALBANY, Ohio (KDKA/AP) — Authorities say they’ve seized a large amount of cocaine from an unauthorized plane that landed at Ohio University’s airport.

According to CBS affiliate WBNS, Homeland Security officials say 132 kilos, or 300 pounds, of cocaine was recovered from the unauthorized plane.

Ohio University Police said they were notified by Homeland Security that the plane was landing at Gordon K. Bush Airport without proper authorization around 2:30 p.m. Wednesday.

Police say the plane’s two occupants were detained by agents from Customs and Border Protection and taken to Columbus.

The pilot told authorities he was traveling through United States airspace when a mechanical problem forced him out to land.

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(© Copyright 2017 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)