- l - K hal ij ▁al - ' A rab i , ▁N DF LO AG ) ▁was ▁founded ▁in ▁the ▁north ▁of ▁O man . ▁It ▁merged ▁with ▁the ▁P F LO AG ▁in ▁December ▁ 1 9 7 1 . ▁The ▁new ▁organisation ▁was ▁called ▁Popular ▁Front ▁for ▁the ▁Liber ation ▁of ▁O man ▁and ▁the ▁Arab ian ▁G ulf ▁( al - J ab h ah ▁al - S ha ' abi y ah ▁li - T ah rir ▁' U man ▁wa - al - K hal ij ▁al - ' A rab i , ▁P F LO AG ). ▁By ▁ 1 9 7 3 ▁reports ▁sur ged ▁that ▁P F LO AG ▁had ▁formed ▁c land est ine ▁cells ▁within ▁the ▁U AE ▁armed ▁forces . ▁ ▁The ▁group ▁took ▁its ▁later ▁name , ▁P F LO , ▁in ▁ 1 9 7 4 ▁when ▁the ▁Popular ▁Front ▁for ▁the ▁Liber ation ▁of ▁Bah rain ▁( P FL B ) ▁was ▁established ▁as ▁a ▁separate ▁organisation . ▁The ▁P F LO ▁appears ▁to ▁have ▁maintained ▁some ▁under ground ▁activity ▁afterwards . ▁The ▁youth ▁wing ▁of ▁P F LO ▁was ▁the ▁O man ▁Youth ▁Organ ization , ▁and ▁it ▁published ▁the ▁' U man ▁al - Th aw rah ▁ ▁The ▁D hof ar ▁Reb ell ion ▁ ▁Upon ▁its ▁establishment , ▁the ▁P F LO AG ▁became ▁involved ▁in ▁the ▁on going ▁D hof ar ▁re bell ion ▁against ▁Sultan ▁Sa ' id . ▁It ▁suffered