A Barcelona airport AENA spokeswoman told CNN that the UTair pilot had been cleared to land but exercised his authority to abort . Video shows Boeing 767 of Russian airline ##r pulling up from approach as aircraft crosses its path . Barcelona aviation authority says aircraft were not in danger but officials confirm investigation under way . Flight expert John O'Brien says air crew on ground should have checked their path was clear .
Video shows Boeing 767 of Russian airline ##r pulling up from approach as aircraft crosses its path . Barcelona aviation authority says aircraft were not in danger but officials confirm investigation under way . Flight expert John O'Brien says air crew on ground should have checked their path was clear .