A JOURNALIST has come under heavy criticism for an insensitive joke he posted on Twitter soon after an explosion killed at least 19 people and injured about 50 others at an Ariana Grande concert in the UK.

US-based freelance writer David Leavitt, who claims to have reviewed games, tech, fashion and travel for major news outlets including CBS, AXS, Yahoo and The Examiner, posted the sick tweet to his 59,000 followers shortly after the horrifying attack.

Twitter

"MULTIPLE CONFIRMED FATALITIES at Manchester Arena. The last time I listened to Ariana Grande I almost died too," he wrote on Twitter.

MULTIPLE CONFIRMED FATALITIES at Manchester Arena. The last time I listened to Ariana Grande I almost died too.
- David Leavitt (@David_Leavitt) May 22, 2017

At the time of writing, the tweet has been replied to more than 24,000 times, with almost everyone voicing their disgust over the clearly inappropriate tweet.

Not content with his first effort, Mr Leavitt posted another tweet moments later.

"Honestly, for over a year I thought an Ariana Grande was something you ordered at Starbucks," he wrote.

Once again, he was met with criticism from Twitter users.

This was followed with another Tweet, which was designed to stir people who had abused him with foul language in response.

Obviously feeling the heat, Mr Leavitt has since posted two more tweets apologising for his actions.

While he thought his apology might have seemed sincere, many users were quick to point out this clearly wasn't the case as he hadn't deleted the original tweet.

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