From furious insults to WeChat censorship, a spat between China and Australia over a controversial tweet has escalated into an online tit-for-tat in recent days.
The catalyst for the row, posted by a top Chinese government official, was a fake image.
But the diplomatic fall-out has been all too real, plunging an already fragile relationship between the two countries further into the abyss.
Warning: This story contains an image some people might find distressing.
It all began with that shocking tweet.
On Monday China’s foreign ministry spokesman Zhao Lijian posted this fake image on Twitter, responding to a damning report about alleged Australian war crimes in Afghanistan.
We’ve blurred out a part of it, but the picture shows a grinning Australian soldier holding a bloodied knife to the throat of an Afghan