Nairobi, April 30 -- Truck drivers plying the Nimule-Juba route into South Sudan are facing a new threat after a militia group circulated leaflets warning they won't move without its permission or risk being shot.

The leaflets are dated April 26 and attributed to a group calling itself People's Freedom Movement (PFM) led by Philip Omon Bartholomeo, an upcoming rebel leader in South Sudan.

In the notice, the group said all pedestrians, cyclists, motorists, passengers and their buses as well as drivers of commercial trucks must stop using the highway immediately.

"Your use of the highway and other roads entering Juba should come to hold with immediate effect as from the date of this notice," the leaflet says, indicating any new movement ...