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. Last Updated: 07/27/2016

Report Tells How FSB Targeted Basayev

Undercover federal agents drugged associates of Shamil Basayev, planted a bomb in their truck, and then blew up the vehicle to kill the notorious Chechen warlord, Moskovsky Komsomolets reported Monday.

Basayev, who claimed responsibility for hostage takings and airplane bombings that killed hundreds of people over the past decade, died in an explosion in Ingushetia in July, the Federal Security Service has said.

But details of what led up to the blast have been sketchy.

Moskovsky Komsomolets said an FSB agent infiltrated Basayev's retinue and tipped off his superiors that Basayev had a KamAZ truck with three secret caches of explosives, arms and ammunition that he planned to use to carry out an attack on the eve of the Group of Eight summit in St. Petersburg in July.

FSB agents, on July 9, drugged the KamAZ driver and his partner and drove away the truck to examine it, photograph the hidden arms and plant a bomb.

The hidden arsenal included 22 anti-tank rocket launchers, 16 Kalashnikov assault rifles, two machine guns, one sniper rifle, one automatic grenade launcher and numerous mines, plastic explosives and other items, the report said, adding that the anti-tank missile launchers had the emblem of the Saudi air force on them.

Basayev is believed to have been planning a large hostage taking in North Ossetia or another region outside Ingushetia.

Once the items had been counted and the bomb planted, the truck, which had North Ossetian license plates, was driven back to the spot where the two were still asleep. The entire operation took four hours.

The bomb inside the truck was detonated in the early hours of July 10, killing Basayev and three others near the Ingush village of Ekazhevo, the report said. An FSB agent was next to Basayev several hours before the blast and filmed him on his mobile phone camera, it said.

The agent may have been among those decorated by Putin for Basayev's killing. Putin decorated 26 people, including two women, last year.

An FSB spokesman declined to comment on the report Monday.

Initially, there were conflicting reports on whether and how Basayev was killed in the blast. Chechen rebels claimed the explosion was an accident, while Ingush police said the truck had been "blocked" by officers and "blew up as the result of a special operation." National television initially reported that Basayev was killed by a missile that homed in on his mobile phone as he was speaking on it.