Ukraine is increasing its usage of drones for combat, attaching grenades, mortars and even little chemical balls. On impact the chemicals combine and it creates something like Napalm.
No evidence given. Recurring pro-Kremlin narrative about supposed chemical provocations in Donbas.
The author claims that about 10 days ago (counting from the 5th of December, 2018) an improvised fire-ball was dropped from Ukrainian drone on a house in a suburb of Donetsk.
The OSCE Special Monitoring Mission has not reported use of chemical agents or drones in any of its recent reports (20 November, 2018 - 5 December, 2018).