Making sense of what happened out of the translation from Khmer was not particularly easy, but it would appear that the man came to see his estranged ex wife, in an attempt to iron things out and get back together again. But the woman played hard to get and turned him down.
The fellow apparently responded by stabbing her, and then tried to commit suicide by hanging himself. The hanging attempt failed, but he somehow managed to cut himself on a broken glass. The cut opened up a nasty wound on his abdomen, through which his intestines came out.
Here’s the video:
And the gallery of pics: