Officials worry about smoke cloud over Sydney , lack of rain in area . 37 out of 62 bush fires in New South Wales are out of control , officials say . One of the fires they are accused of starting burned more than 5,000 hectares ( 12,000 acres ) in the surrounding area . More than 116,167 hectares ( 287,000 acres ) of land has been burned . Two boys , age 14 and 15 , are arrested over bush ##fires north of Sydney last week .
Officials worry about smoke cloud over Sydney , lack of rain in area . 37 out of 62 bush fires in New South Wales are out of control , officials say . More than 116,167 hectares ( 287,000 acres ) of land has been burned . Two boys , age 14 and 15 , are arrested over bush ##fires north of Sydney last week .