Cross-border fighting between Afghanistan and Pakistan has entered its fifth day. The UN says the violence has killed 42 civilians and forced around 20,000 families to leave their homes.
Pakistan said its military posts along the border came under attack by Afghan Taliban forces on Tuesday, sparking renewed clashes that killed 67 Afghan troops and one Pakistani soldier.
Afghanistan rejected that account as "baseless." The Taliban government in Kabul instead said its forces had successfully repelled attacks from Pakistan and killed four Pakistani soldiers.
Fighting between the two countries erupted on Thursday last week, when Afghan Taliban troops launched a border offensive in retaliation for Pakistani airstrikes carried out the previous weekend.
Since then, Islamabad has declared it is in an "open war" with Afghanistan and has carried out new strikes on multiple sites, including the former U.S. air base at Bagram, the capital, Kabul, and the southern city of Kandahar.
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