Nazir Ahmed, a representative of traders in Parachinar, has told The Associated Press, that the closure has badly affected their businesses.
Ahmed further added that the laborers have sat idle for the past week watching their wares spoil as the Khar Lachi border point has remained shut since Sunday.
The provincial government media office of Khost in a statement said last week that the Pakistani militia forces launched attacks on security posts in Jando Sar and Bad Khawaran areas of Zazai Maidan district at around 8 am on Sunday.
The statement further added that the local residents and security personnel responded to Pakistani militia forces fire, claiming that some dead bodies of Pakistani military forces and their weapons were left in the area.
The source also added that two local residents fighting the militia forces also lost their lives during the clash.