A spokeswoman from Strathclyde Fire and Rescue has confirmed two people were trapped in the property along with a pet dog. She said:
A man and a woman are being rescued by emergency services including the fire service, police and the Scottish Ambulance Special Operations Response Team.
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Armed police have taken part in a dramatic training exercise aimed at recreating the chaos of a Paris-style terror attack.
After a remarkably mild November - a notable mild start to the new month.
The Facebook founder revealed the plan as he and wife Priscilla Chan announced the birth of their baby daughter, Max.