Sydney in lockdown as gas leak at Sydney’s Martin Place station sparks ‘a ...

Sydney is in lockdown after a major gas leak sparked a huge emergency operation which fire crews are struggling to turn off.   

Emergency crews worked through the night to fix the dangerous leak after road workers struck a high pressure gas pipe shortly after 10.30pm in the CBD.

Fire and Rescue New South Wales superintendent Paul Johnstone told Daily Mail Australia they have set up a 200 metre exclusion zone around Martin Place Station. 

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Emergency crews (pictured) worked through the night to fix the dangerous leak after road workers struck a high pressure gas pipe shortly after 10.30pm in the CBD

Emergency crews (pictured) worked through the night to fix the dangerous leak after road workers struck a high pressure gas pipe shortly after 10.30pm in the CBD

Fire and Rescue New South Wales superintendent Paul Johnstone told Daily Mail Australia they have set up a 200 metre exclusion zone around Martin Place Station

Fire and Rescue New South Wales superintendent Paul Johnstone told Daily Mail Australia they have set up a 200 metre exclusion zone around Martin Place Station

'This is as big as they come ... there are high elevated levels of gas and it can be explosive with the right mixture of air,' he said

'This is as big as they come ... there are high elevated levels of gas and it can be explosive with the right mixture of air,' he said

'This is as big as they come ... there are high elevated levels of gas and it can be explosive with the right mixture of air,' he said.

'The first fire rescue crews found a large volume of gas escaping under high pressure.'

A number of businesses were evacuated and trains have been cancelled at Martin Place Station as about 50

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