Melbourne commuters have had a painful start to their day, with the entire Metro train system coming to a standstill at 8:45 a.m. local time on Thursday morning.

The outage has been blamed on a false alarm in the Transport House control centre, which saw the building evacuated, Metro Trains wrote on Twitter.

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Staff have now returned to the centre, but delays continue across all lines and even resulted in what is described as a "tramjam," as passengers changed modes of transport and jumped on the city's trams.

As expected, Melbourne locals didn't just roll over and go back to sleep. They attempted to make the journey to work and took to social media to detail the inconvenience. This is how it unfolded: