The center of the city is under intense shelling, according to the correspondent. Though air defenses went off, at least two shells were missed.
The farewell ceremony did not start because of the shelling, everyone was evacuated to shelters.
According to Donetsk authorities, five people died and six were wounded as a result of the shelling.
Kachura was a colonel of the DPR militia from the city of Gorlovka, who fought over the years as Kiev waged war against the Donetsk and Lugansk People's Republics. She was posthumously awarded the title of Hero of the Russian Federation and Hero of the DPR.
Over the past months, Ukrainian forces have intensified their attacks on Donetsk and other Donbass cities, destroying apartment buildings and bombarding residential areas with landmines. At least 283 civilians have been killed by Ukrainian shelling since the beginning of tensions in mid-February, the DPR authorities reported.