A patch of phosphorescent inexperienced liquid that appeared in Venice's Grand Canal was brought on by the chemical fluorescein.

Environmental officers confirmed the supply of the discolouration on Monday after pictures on social media confirmed a vivid patch of inexperienced across the Rialto Bridge, close to an embankment lined with eating places.

Fluorescein - a non-toxic chemical - is primarily utilized in underwater development to assist determine leaks.

It may also be utilized in medication - within the type of eye drops - to determine lesions and overseas our bodies, based on the National Institute for Health and Care Excellence.

Despite being non-toxic, the excessive concentrations of fluorescein discovered within the canal indicated it most likely wasn't a results of an accident, CNN reported.

Further take a look at outcomes, which might assist determine the precise amount of the substance within the water, are anticipated later this week.

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Italian police launched an investigation into the incident on Sunday.

It adopted quite a few episodes in Italy, the place environmental teams have been focusing on monuments with colors and dyes.

Activists used vegetable charcoal to show the waters of Rome's Trevi fountain black in a protest in opposition to fossil fuels.

However, in contrast to earlier circumstances, no protest group has come ahead but to assert duty for what occurred in Venice.