Hackers have hacked a Russian hacking group’s Twitter account, reportedly posing as the head of a military intelligence agency.

Key points:The group, called @CJK_Hackers, posted a message on its account saying it was “preparing for another big event” on December 10, 2016The message said it was preparing for another huge event on December 11.

The group posted a photo of a man with a mask on Twitter with the caption: “If you’ve ever been to Russia, you’ll be amazed at what this country is like.”

The hacker group, known as CJK_HS, has not responded to requests for comment.

“We can confirm the post on our account has been hacked.

The hacker has not replied to us.

However, we will continue to monitor and respond to any tweets from CJKHS.

We will also take measures to stop any future posts from this account,” a Twitter spokesperson said in a statement to News.au.

The hacker also posted an image of a police badge and a gun, which was taken from a police officer in Ukraine.CJ.

K_HH has posted a series of images and videos showing a man posing as a military spy.

In one, a man wearing a mask with the words “Military Intelligence Agency” written on it is seen standing in front of an armoured vehicle.

In another, the hacker shows off a large, blue and white shield with the word “Доброн” written in large letters.

The @CJS_HS group has also posted videos and screenshots showing the group posing as an army soldier in the Ukrainian town of Sviatogorsk, as well as the leader of the Ukrainian army in Donetsk.

In the first video, which has more than 20,000 views, a masked man dressed in a military uniform is seen marching into a residential area.

He says “The next big event will be on December 12”.

The other videos, which have more than 7,000 likes, show the hacker holding a gun and carrying a pistol.

A second video shows him in camouflage holding a rifle.

The hack came amid heightened tensions between Russia and Ukraine.

A number of Ukrainian websites were blocked in late December, as Russia’s foreign ministry accused Ukraine of violating international law by its annexation of Crimea.

The Ukrainian military accused Russia of launching a “dirty war” in Ukraine’s east in late November, after Ukrainian troops and pro-Russian separatists clashed in the region.