QUETTA, Pakistan—Four Pakistani soldiers were killed and six wounded in an ambush by terrorists from Afghanistan along the border between the two countries on Wednesday, Pakistan’s military said. The soldiers were working on fencing along the border in the Zhob district, an area of Pakistan’s Balochistan province, the military said in a statement. Zhob sits across from Afghanistan’s eastern Paktika province. Late on Wednesday the Tehrik-e-Taliban, a banned terrorist group operating along the border, claimed responsibility for the attack in a statement shared with Reuters. Security officials in Paktika province said they had no knowledge of the incident. Pakistan’s Foreign Office said it had asked Afghanistan to take action against the terrorists. A statement said the Afghan embassy in Islamabad had been asked “to convey Pakistan’s concerns to the relevant Afghan authorities to undertake effective measures against organized groups of terrorists operating from the Afghan soil”. Pakistan says it is …