Despite surveillance footage, fire officials are still looking for the cause of the fire that took down three houses in Midwood on Thursday.

Officials say that 13 people were hurt, including three firefighters and a baby.

Most of the injuries are from smoke inhalation and all are expected to be okay.

The flames from the first home were so intense that they quickly spread to the two homes surrounding, all of which were issued a full vacate order by the Department of Buildings.

Surveillance video shows the moment the fire ignited, as well as what seemed to be the appearance of someone running away seconds later.

Even so, officials have not confirmed whether this was a case of arson or if it was any suspicious activity. Fire marshals are still investigating the incident.