Max Seddon has lots more tweets from the site, and now an article.

A muted sun baked golden fields of hay and sunflowers. Bloated and mangled bodies gave off a fetid stench. A burly gunman who called himself Grumpy stepped into the road as a convoy of international observers snaked along the bumpy country road to crash site of Malaysian Airlines Flight 17.

“I will let none of you pass! I have an order!” he shouted. Motley gunmen in ragtag uniforms flanked out alongside him. A lanky rebel in a beekeeping suit who reeked of drink folded his automatic rifle in his arms. The observers wandered out, then meekly retreated

[…].