Fire crews are tackling a blaze in a farmhouse in Hawkesbury. 

Firefighters were alerted to the fire earlier this morning. 

Crews were called at 05.14am to a fire on Upper Chalkley Lane.

Three casualties were treated, one was rescued.

Crews from Yate, Kingswood, Bath, Southmead, Avonmouth and Gloucester are all in attendance. 

It is believed that two adults and a child were treated.