Suspected Libyan bomber Abu Agela Mas’ud Kheir Al-Marimi of the 1988 Lockerbie attack in custody

A Libyan suspected of being the bomb-maker who blew up Pan Am Flight 103 over Lockerbie, Scotland in 1988 and killed hundreds is in US custody, say US and Scottish officials on Sunday.

The revelation was made public after the 270 families of those who died were notified, Scottish officials said. The alleged bomber has been identified as Abu Agela Mas’ud Kheir Al-Marimi.

The only person previously convicted of the terror attack was former Libyan intelligence officer Abdelbaset al-Megrahi in 2001, who planted the bomb on the flight. He died of cancer while in detention in Libya in 2012.

All 259 people aboard Pan Am Flight 103, which was traveling from London to New York, died in the explosion, in addition to 11 people on the ground in Lockerbie, making it Britain’s deadliest terror attack. Brittany.

Details were scarce on how Mr. Mas’ud was captured, but the Justice Department said he would make his first appearance in US District Court for the District of Columbia.

• This article is based in part on wire service reports.

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