NEW : All 24 passengers are safely on the ground , fire chief says . The Joker 's Jinx roller coaster is on the ground at Six Flags America . Six Flags spokeswoman : Disney World monorail evacuated after power outage . No one is injured , all the ` ` are secure '' The ride will continue while officials investigate , she says .
NEW : All 24 passengers are safely on the ground , fire chief says . The Joker 's Jinx roller coaster is on the ground at Six Flags America . Six Flags spokeswoman : No one is injured , all the ` ` are secure '' The ride will continue while officials investigate , she says .