" 20:31:

In the YouTube footage a militant nicknamed "Major" is seen saying it was shot down by "Cossacks from the Chernukhino roadblock".

Major goes on to say: "It is definitely a civilian plane... there was a lot of people on board," BBC Monitoring reports.
20:27:

BBC Monitoring reports more from the conversation between militants allegedly intercepted by the Ukrainian Security Service.

The conversation starts with Igor Bezler, a key militant, apparently telling a Russian security official by phone that the pro-Russian militants have shot down a plane.
20:23:

The Ukrainian Security Service SBU has published on its Youtube account what it says are intercepted conversations between pro-Russian militants in which they say they admit shooting down a civilian plane, BBC Monitoring reports. "

This should endear the rebels to the world.