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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Explosives experts were called to the nuclear reprocessing site in Cumbria, to help deal with chemical substances.
The arrests were made on suspicion of producing and disseminating pedophilia content on the internet, the country's Justice Ministry said.
The A4-sized sketch originally went for £75 when it was first sold.