© RIA Novosti. Alexandr GrashenkovNalchik
Several groups of militants attacked various law-enforcement buildings in Russia's North Caucasus Republic of Kabardino-Balkaria on Friday.

The city came under attack from "several small groups of militants in cars," a police source said.

"The militants fired four shots from a grenade launcher at the local FSB [Federal Security Service] department. Subsequently, two traffic police stations came under attack, one of them is still under fire," the source said.

At least one person was injured in the shooting.

"In addition, a blast occurred at an FSB health resort, it could have been a bomb or grenade," he added.