Melbourne tunnel explosion.
Something very strange going on .. this was Melbourne last night .. some are saying while people have been locked in their homes .. the government has been blowing up tunnels …check out the link below about the tunnels in Melbourne.
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The metro VIC website shows working on tunnel entrances jan-sept 2020
https://metrotunnel.vic.gov.au/construction/upgrades-to-the-rail-network/sunbury