The BBC has uncovered new evidence that a drone operated by the United Arab Emirates (UAE) killed 26 unarmed cadets at a military academy in Libya's capital Tripoli in January 2020.

At the time of the strike on 4 January, Tripoli was under siege by the self-styled Libyan National Army (LNA).

It has denied responsibility for the attack and suggested the cadets had been killed by local shelling.

But evidence indicates the cadets were hit by a Chinese Blue Arrow 7 missile.

This was fired by a drone called the Wing Loong II and the investigation by BBC Africa Eye and BBC Arabic Documentaries also found evidence that, at the time of the strike, Wing Loong II drones were only operating from one Libyan air base - al-Khadim - and that the UAE supplied and operated the drones that were stationed there.

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