Australian terrorist Khaled Sharrouf is believed to have been killed in an air strike

Khaled Sharrouf with his son in one of his social media posts.

Australian terrorist Khaled Sharrouf and two of his children have believed to have been killed in an air strike in Syria.

The Australian federal goverment is investigating what it says is “credible information” the jihadist fighter died when his car was reportedly hit near the Syrian city of Raqqa.

A law enforcement official told ABC’s 7.30 that members of Australia’s extremist community had seen pictures of Sharrouf’s dead body, along with the bodies of his sons Abdullah, 12 and Zarqawi, 11.

It would be the first time Australian children have been killed by a Western air strike in Syria, ABC reports.

Sharrouf, 36, left Sydney in 2013. In August, 2015, came the first report he had been killed in an air strike, but counter-terrorism experts thought he may have faked his own death.

By February 2016, reports were coming in that he was still alive. Then in May this year, Sharrouf posted a picture of his six-year-old son holding up his right index finger in front of an apparently dead body hung from a cross with plastic cable ties.

A plea from the boy’s grandmother prompted Australia prime minister Malcolm Turnbull to say the boy “was entitled to return to Australia with his siblings”.

“All of the children that are being exploited in this way, if they are Australian citizens, of course, would be able to return to Australia. But under the closest possible supervision,” Turnbull said.

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