The operation to rescue people thought to be trapped in the rubble of a plastics factory destroyed by an explosion could last up to seven days, emergency services said today.

Seven people died in yesterday’s Glasgow factory blast, the emergency services said today.

Desperate rescue workers were continuing their efforts to find survivors trapped under layers of rubble after a huge explosion ripped through a plastics factory.

Four people were tonight confirmed dead following a blast at a plastics factory in Glasgow, Strathclyde fire brigade said.

Rescue experts today said that people trapped under rubble after a massive explosion at a plastics factory had an “excellent” chance of being saved.

The devastated site where a Glasgow plastics factory once stood today looked as if it had been rocked by a natural disaster.

Rescue experts said today they were surprised that no sniffer dogs were being used in the hunt for people trapped under rubble after a massive explosion at a Glasgow plastics factory.

Bleeding, bandaged and suffering from shock, the survivors of today’s devastating blast in Glasgow told of their harrowing experiences.

Rescue workers were searching for survivors trapped in the rubble of a factory which was destroyed in explosion today leaving at least two people feared dead.

Emergency crews were treating casualties today after an explosion at a factory.