Man accused of masterminding the 1988 Lockerbie bombing pleads not guilty: report

The bombing suspect accused of masterminding the 1988 aircraft bombing in Lockerbie, Scotland has pleaded not guilty to three federal charges in association with the deadly incident.

According to CBS News, Abu Agila Mohammad Mas'ud recently appeared before a judge in Washington D.C.'s U.S. District Court where he communicated by way of an Arabic interpreter.

Mas'ud pleaded not guilty to "two counts of destruction of an aircraft resulting in death and another related count," the news outlet reports. Sentencing is scheduled for Thursday.

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Mas'ud's plea comes more than three decades after the bombing took place on Dec. 21, 1988. That day, Pan Am Flight 103 was en route to London from New York City. The aircraft exploded over Lockerbie, Scotland, and claimed the lives of all 259 people onboard, 190 of which were American passengers. An additional 11 victims also died on the ground.

The bombing is still considered one of the deadliest in history.

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CBS's full report is available at this link.