Islamabad: Pakistan has summoned Afghanistan’s charge d’affaires over another cross-border attack by terrorists, officials said.

Pakistan’s foreign ministry said a soldier was killed during “a sniper attack from the Afghan side of the border on a Pakistani military post near Ghakhai Pass in Bajaur Agency,” Xinhua reported.

“It was stressed to the charge d’affaires that the Afghan authorities must take concrete action to stop such incidents and prevent the recurrence of cross-border fire and physical attacks by terrorists operating from Afghan territory,” a foreign ministry statement said.

Pakistan said it is the second attack on its border in a week.

The foreign ministry said nearly 80 terrorists were involved in a cross-border attack on Pakistan military posts in Upper Dir, bordering Afghanistan, late on Tuesday.

Cross-border attacks have once again increased tensions between the two countries.

It comes after a foiled attack on Pakistani check posts by dozens of militants hiding in Afghanistan’s border areas earlier this week.

At least six militants were killed and nine others were wounded in the attack on Tuesday night near a post between Tripaman and Inkal Sar in the Lower Dir district, close to the border in the country’s restive north-west.

Militants based in Afghanistan have attacked Pakistani security posts a number of times souring diplomatic ties between Islamabad and Kabul.

Islamabad has blamed Tehreek-e-Taliban Pakistan (TTP) chief Mullah Fazlullah for the attacks. Fazlullah is believed to be hiding somewhere in Afghanistan’s Nuristan province.

Bajaur is one of the seven tribal districts in Pakistan that border Afghanistan and are rife with Al Qaida and a Taliban-led Islamist insurgency.

Pakistan’s military has been fighting an offensive against the Pakistani Taliban in the restive North Waziristan tribal district since mid-June.

The assault, which was rumoured for months, followed a brazen insurgent attack on Karachi airport that left dozens dead and a peace process with the Pakistani Taliban in tatters.

North Waziristan had become a major base for the TTP, which rose up against the state in 2007, while the United States had long called for action in the area against militant groups targeting Nato forces in Afghanistan.

More than 500 militants and 27 soldiers have been killed in the assault so far, according to the military, though their death toll for insurgents cannot be independently confirmed.

Afghan officials on Friday said around 60 rockets were fired into eastern Kunar province from Pakistan since Thursday. They said the rockers injured four girls and also forced people to leave homes in parts of the border region.

Pakistan said leaders of the Pakistan Taliban have crossed into Afghanistan and routinely carried out attacks on its border posts.

Kabul also insisted that Afghan Taliban and the Haqqani Network are using Pakistani soil for cross-border attacks.