Second Sydney passenger bus destroyed by fire after driver and passengers flee flames

NSW transport authorities yet to comment on cause of Campbelltown blaze which is second such incident in Sydney this year

A bus driver and three passengers have been evacuated from a bus that was engulfed in flames in Sydney's south-west, seven months after another bus was similarly destroyed by fire.

Monday's incident occurred outside the Macarthur Square shopping centre in Campbelltown before 11am with heat from the burning passenger bus activating nearby sprinklers.