Two hikers, aged 18 and 21, have gone missing while hiking in the Judean Desert. Policeman from the Negev city of Arad. Ein Gedi rescue personnel began searching for the two early this morning. The hikers, residents of Be\'er Sheva, set off on Sunday for Nachal Arugot, but have not been heard from since. Last week, two siblings from Efrat were found alive and well after having been similarly missing for close to 18 hours while hiking in the Nachal Tze\'elim area.