According to sources, heavy clashes broke out on Monday, October 19, between Afghan and Pakistani forces at the Birmal-Angoor Adda border crossing, which links Pakistan's South Waziristan district with the Birmal district of Afghanistan's Paktika province.
No confirmed details of casualties or damage are available.
Sources claimed both sides used heavy weapons during the confrontation. It also shared footage said to have been recorded from the Afghan side of the border.
The report did not say which side opened fire or how long the exchange lasted.
Sources said the extent of any casualties or damage remains unclear and that independent verification is pending. Its report carried no official statement from Pakistani or Afghan authorities.
The report comes days after clashes between the two countries' forces were reported at Dand Patan in Kurram on October 17.