NATO convoy targeted in Kabul suicide bombing, at least 4 dead

Buildings shook along with a resounding bang early Wednesday morning as a suicide bomber detonated near the US embassy and a NATO compound in the heart of Kabul, Afghanistan.

The attacker is said to have been targeting a convoy of NATO-helmed Resolute Support vehicles close to Massoud Square in the city center, igniting at a National Defense Security (NDS) checkpoint. At least four have died and a further 22 wounded, according to early estimates.

A military source told Fox News the bomber pretended to be a construction worker, with tools and a uniform, and when the convoy arrived he pressed the button.

The city has been on high alert in the last few weeks with the beginning of what is deemed the “fighting season.”

Lieutenant General Naveed Mukhtar, the chief of Pakistan’s ISI, arrived just hours earlier on Tuesday presumably in an effort to mitigate tensions between the two neighboring countries, but sending the security situation into a further disarray.

Over the weekend, Fox News was informed that authorities foiled a car-bomb attack. The car was discovered with rounds ready to fire near where the Pakistani parliamentary delegation was meeting with Afghan officials in an unprecedented visit.

More than an hour later, smoke could still be seen bellowing through the grey sky from the bomb site as scores of military aircraft hovered close by.

The dead have not yet been identified and no group has claimed responsibility.

Hollie McKay has been a FoxNews.com staff reporter since 2007. She has reported extensively from the Middle East on the rise and fall of terrorist groups such as ISIS in Iraq. Follow her on twitter at @holliesmckay

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