Updated Thursday 8am

A 40-year-old man from Għargħur died and another was injured on Wednesday evening in an occupational accident at the site of the new national park in Ta'Qali.

A police spokesman said the accident happened at about 6.45 pm.

The two men were riding a vehicle which toppled over and they fell down a shaft, a height of about one storey. One was pronounced dead on site. The other, a 35-year-old man from Mġarr, was hospitalised but the extent of his injuries are not yet known.

Magistrate Rachel Montebello is holding an inquiry. An investigation is also underway by the Health and Safety Authority. 

Rescuers from the Civil Protection Department and the police were on site. 

In a statement on Thursday, the Occupational Health and Safety Authority said it is investigating the incident.