More than 12,000 people died in what has often been referred to as a low-grade civil war in Natal.

With large populations of Sunnis and Shiites, the city has become the central arena for the low-grade civil war that is unfolding across the country.

The allied patrols, in fact, have grown into a low-grade war.

Since the American invasion three years ago, Baghdad, home to a quarter of the country's population, has descended into a state of low-grade civil war.

In the vacuum of security caused by the botched American occupation, these ethnic tensions have turned into a low-grade civil war.

Ever since then, a low-grade civil war has been under way in Iran between the pro- and anti-Khatami forces.

The report labeled the current situation a "low-grade civil war."

"His people have also been in a low-grade civil war for years."

We are now in the middle of a low-grade civil war in Iraq for who will control the place after we leave.