Malta's power stations may have cut their carbon dioxide emissions by 140,000 tonnes in the last two years but the chimney at the Marsa plant has been belching thick black smoke on and off since Sunday.

The photos above, submitted by a reader, shows the situation.

The first shows the power station at 3.30 p.m. today while the second shows the scene from Zabbar at 4.15 p.m.

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