At least six security personnel and 17 militants were killed and 13 other militants sustained injuries in ongoing operation in Kurram Agency on Wednesday.

According to security sources, security forces were advancing toward Jogi in Kurram Agency where heavy clash between security forces and unidentified militants started and continued many hours.

Security sources said that at least six soldiers were martyred and 17 militants were killed in the encounter while 13 other militants were injured.

Security forces took control of a key militants' hideout at Jogi mountain after the clashes.

In the on-going battle between the armed forces and militants, several troops have been martyred while more than 20 militants have been killed so far.