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By Jim Miklaszewski, Reuters and Fazul Rahim

KABUL, Afghanistan — One NATO service member was killed during an attack on a base housing America Special Operations Forces outside Kabul, the coalition said on Friday.

"A coalition facility ... was attacked at 10:15pm, 7 Aug. One Resolute Support service member and two insurgent attackers were killed," U.S. Army Col. Brian Tribus, a spokesman for NATO, said in a statement. "We are gathering further information."

Eight Afghan security guards were also killed in the complex attack, a manager at the company that provides security at the base told NBC News on condition of anonymity.

The 10:15 p.m. (12:45 p.m. ET) attack on Camp Integrity near the Kabul airport included a suicide car or truck bomb followed by an assault by armed insurgents, and capped off an especially violent day in the Afghan capital. The wave of strikes on Afghan police, army and NATO installations in Kabul killed more than 40 people and wounded hundreds.

Related: Afghan Conflict Kills, Injures Most Women, Kids on Record

The attacks, which included a massive truck bomb in the heavily populated center of Kabul and a suicide attack on a police academy, are among the most serious in months and come a week after the Taliban named a new leader.

They represent another blow to a tentative peace process that held its first meeting in July but was suspended last week. Kabul has frequently been targeted by the Taliban and other insurgent groups seeking to destabilize the fragile government of President Ashraf Ghani although the scale of the latest attacks was unusually large.

Such a complex and coordinated set of attacks suggests a message from the Taliban at an especially delicate time following last week's revelation of Mullah Mohammad Omar's death and the subsequent leadership dispute.

In a statement, the U.S. State Department condemned the latest wave of insurgent attacks in Kabul, saying they've resulted in "hundreds of casualties and at least 44 deaths, including children, and demonstrate again the insurgency’s complete disregard for the lives of innocent Afghans."