The key facts

  • Pakistan says Afghan forces shelled residential areas in South Waziristan: 1 dead, 5 wounded
  • Islamabad says its forces responded

Shelling in South Waziristan and return fire

Pakistan said on Wednesday that its forces were responding effectively and heavilyafter what the authorities in Islamabad described as an

unprovoked

overnight attack by Afghan forces along the shared border.

The exchange of artillery fire took place in Pakistan's tribal district of South Waziristan, which borders the eastern Afghan provinces of Paktia and Paktika.

Casualties and damage reported.