The first call out was at 8.40am to Cuckoo Lane, Hatfield, where trees and bushes had been deliberately set alight. Thorne fire crew attended until 9.10pm.
Dearne firefighters were called to a deliberate rubbish fire at 5.40am this morning on Hill Top Road in Denaby Main, leaving at 6am.
A wooden bench was deliberately set on fire at 6.30am on Kilners Bridge, also in Denaby Main. Edlington firefighters attended until 7.05am.