Pakistan, July 20 -- Security forces launched an effective and full-scale retaliatory response to unprovoked firing by the Afghan Taliban at border posts in Kurram, security sources said on Sunday.

The Afghan Taliban used heavy weapons, mortars and other arms to target border posts, after which Pakistani security forces responded immediately and forcefully, targeting Afghan Taliban border posts, mortar positions and defensive checkpoints with both light and heavy weapons, including artillery, security sources said.

Pakistani security forces maintained complete control over border areas while delivering a strong response to the cross-border aggression, the security sources said, as a result of which the Afghan Taliban were forced to aban...