Devyn Burnett was last seen at about 3am on Sunday on a canal path in Bonnybridge.
The Scottish Fire and Rescue Service was called to the blaze at Bankside Industrial Estate at 1.49pm on Saturday.
A woman was seriously hurt but stable while a man is in hospital with non-life threatening injuries.
A senior charge nurse said cases as of Wednesday had doubled from the beginning of the week.
Dog owner airlifted to hospital after falling into icy water.
Gary Deans accuses football authorities of 'ill-thought through and poorly communicated' decision to end lower league season.
Annette Fargie passed away this month at the age of 75 at Carrondale Care Home.
The collision involving a car and two vans happened on the M9 on Friday afternoon.
Two 17-year-old boys and a man charged in connection with Falkirk incidents on Saturday night.
Matthew Hume, 50, has not been seen since the early hours of Monday morning.
Stewart Watson lost control of his car and smashed through a brick wall.
Since 2009, Real Jobs Falkirk has supported youngsters with additional needs from Carrongrange High School.
The family of Jeanette MacRae, 75, believed she may have taken the wrong route driving home.
Police searched St Mungo's High School on Monday after the correspondence was reported by staff.