Police were informed earlier today at around 0830hrs that their assistance was needed in Triq Santa Katerina, Ħal Għargħur.
Preliminary investigations showed that a section of a wall had fallen onto a worker as he was working on the construction site.
A medical team was called onto the site, with an ambulance transporting the 37-year-old man from Imtarfa to Mater Dei. He was later certified as having suffered grievous injuries.
Investigations are still ongoing.
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