ISIS is plotting to drop explosives on large crowds at popular sporting and cultural gatherings. Photo: Screenshot

Terrorists want to use the unmanned machines — available for as little as £100 ($156) — to drop explosives on large crowds at popular sporting and cultural gatherings.

Defense chiefs fear they could launch a multi-drone attack carrying several bombs, even using airborne cameras to film the bloody carnage below for twisted propaganda videos.

Read full story at the Daily Express.