Firefighters have brought a suspicious fire that came within 100 metres of homes in Wallan north of Melbourne under control.
The Country Fire Authority (CFA) issued an emergency warning for people living in the area, but it has been downgraded to a watch and act message.
The fast-moving fire broke out near the intersection of Rowes Lane and Old Sydney Road at about 12:30pm and was heading in a northerly direction.
The rural area is close to housing estates and firefighters feared the fire would spread quickly and threaten lives and property.
About 100 firefighters are working on the fire, which has burned five hectares of grass and bushland.
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Crews have contained two fires on Whitegate Road near the Northern Highway at Glenaroua, which broke out around half-an-hour before the Wallan fire.
They are trying to work out if the fires were deliberately lit.
Operations officer John Leben says anyone who might have seen something suspicious should call the police.
"It's unusual that you get that amount of fire activity, and they're separate fires, all in particularly a linear fashion like that," he said.
"We don't know what the cause of them were at the moment, but we are very interested in seeing any information from the public who might have seen something."