Here are all related videos in order of dates. Let me know if there is one I did not include yet.
Report of artillery on Ilovaisk. It's reported to have been caused by Ukraine, but standard procedure of Terrorussians is to bomb villages and cities where ever the Ukrainians come and go.
More aftermath of shelling:
An attempt by battalion Donbass to reach Ilovaisk, but they did not succeed yet.
More battle from Ukrainian side:
Terrorussian video about their defenses:
Motorola team defending Ilovaisk and chasing Ukranians:
Some battalion member seeking refuge between trains:
Meanwhile a huge reinforcements/invasion army of some 100 vehicles is ready to cross the Ukrainian border:
UPDATE: Original video has been removed. But here is a composition of screenshots:
A copy has been found on Liveleak:
Some of these units also arrive at Ilovaisk:
Battalion Donbass fighting its way into Ilovaisk:
Partly same footage with English subtitles.
Unknown exact date:
(first part overlaps previous video)
Gopro footage from a Ukrainian soldier approaching Ilovaisk:
Not really relevant, but to be complete a link: Some of Motorolas men fooling around.
Motorolas team again:
In this last video they are walking like this towards the church:
Battalion Donbass made progress, but they are having a hard time:
Russian mortar fire position in the city:
Some photos about this location.
This corresponds with this location:
Google maps link.
Russian firing from a school:
Urainians check out a destroyed Russian T-72:
Motorola fighting against Donbass battalion near a school:
Original video has been removed. Copy here:
The location can be found here:
Google maps link.
Footage from Ukrainians in the outskirts of Hrabske on a reconnaissance mission:
The location and route is like this:
Based on the several geolocated positions above, we can draw a rough map:
The Ukrainians approached the city from the SouthWest, largely held the southern part and tried to advance further, but were pushed back and eventually routed.
Aftermath of shelling. This must definitely have been done by Russians, because battalion Donbass was complaining not getting any backup (such as artillery).
Ukrainians taken as POWs and mistreated:
Original video and this original video removed, but here is a copy with English subtitles:
All these POWs have to fear for their lives.
GRAPHIC Aftermath of the destruction
Escaping from the encirclement while under fire:
Another video from several units escaping, uploaded Sept 13th, but likely from an earlier date:
Aftermath of the destruction:
Also see the parallel-story with these videos: volunteer battalions abandoned by Ukrainian army and left to be annihilated?
Also see: Important eye-witness report from National Guard soldier who escaped Saur-Mohyla and Ilovaisk.