Fire crews were called to Havercroft twice in a matter of hours.
A wheelie bin was set ablaze close to a house on Regina Crescent at 1am.
Firefighters from Hemsworth said no one was hurt in the incident, which is being investigated by police.
At 8am this morning firefighters from Hemsworth were also called to reports of a fire in a field off East Street in Havecroft.
It is thought children had built a den made of straw, which was set alight.
No one was hurt in the incident.