▁F are ed ▁Express ▁( from ▁L ah ore ▁to ▁Kar achi ) ▁was ▁park ed ▁at ▁the ▁Land hi ▁station ▁when ▁the ▁Bah aud din ▁Zak aria ▁Express , ▁which ▁was ▁travel ing ▁from ▁Mult an ▁to ▁Kar achi , ▁coll ided ▁with ▁the ▁F are ed ▁Express ▁from ▁behind , ▁killing ▁ 2 1 ▁people ▁and ▁inj uring ▁ 6 5 ▁people . ▁Minister ▁of ▁Rail ways ▁Kh aw aja ▁Sa ad ▁Raf ique ▁originally ▁attributed ▁the ▁crash ▁to ▁the ▁engine ers ▁of ▁the ▁Bah aud din ▁Zak aria ▁Express ▁for ▁failing ▁to ▁see ▁both ▁yellow ▁and ▁red ▁signals ▁earlier ▁en - route , ▁but ▁Senator ▁S ae ed ▁Gh ani ▁attributed ▁the ▁crash ▁to ▁a ▁green ▁signal ▁being ▁accident ally ▁activ ated ▁on ▁the ▁track ▁the ▁Bah aud din ▁Zak aria ▁Express ▁was ▁travel ing ▁on . ▁ ▁Acc ident ▁Wit ness es ▁described ▁that ▁Zak aria ▁Express ▁from ▁Mult an ▁ram med ▁into ▁F are ed ▁Express ▁from ▁L ah ore , ▁which ▁was ▁park ed ▁there , ▁with ▁the ▁ro ar ▁of ▁the ▁crash ▁swift ly ▁followed ▁by ▁the ▁sc ream s ▁of ▁people ▁tra pped ▁inside . ▁At ▁least ▁two ▁carri ages ▁from ▁the ▁trains ▁over turn ed ▁due ▁to ▁the ▁collision . ▁TV ▁foot age ▁showed ▁the ▁trains ▁had ▁suffered ▁heavy ▁damage . ▁The ▁train ▁operation ▁came ▁to ▁a ▁complete ▁halt ▁after ▁the ▁accident . ▁ ▁Two ▁bog ies ▁of ▁F are ed ▁Express ▁and ▁one ▁bog ie ▁of ▁Zak aria ▁Express ▁were ▁completely ▁destroyed ▁due