A bright patch of green is seen in the Grand Canal along an embankment lined with restaurants, in Venice, Italy, Sunday, May 28, 2023. Police in Venice are investigating the source of a phosphorescent green liquid patch that appeared Sunday in the city's famed Grand Canal. (AP Photo/Luigi Costantini)A bright patch of green is seen in the Grand Canal along an embankment lined with restaurants, in Venice, Italy, Sunday, May 28, 2023. Police in Venice are investigating the source of a phosphorescent green liquid patch that appeared Sunday in the city's famed Grand Canal. (AP Photo/Luigi Costantini)Gondolas navigate Venice's historical Grand Canal as a patch of phosphorescent green liquid spreads in it, Sunday, May 28, 2023. The governor of the Veneto region, Luca Zaia, said that officials had requested the police to investigate to determine who was responsible, as environmental authorities were also testing the water. (AP Photo/Luigi Costantini)A gondola navigates along Venice's historical Grand Canal as a patch of phosphorescent green liquid spreads in it, Sunday, May 28, 2023. The governor of the Veneto region, Luca Zaia, said that officials had requested the police to investigate to determine who was responsible, as environmental authorities were also testing the water. (AP Photo/Luigi Costantini)Gondolas navigate by the Rialto Bridge on Venice's historical Grand Canal as a patch of phosphorescent green liquid spreads in it, Sunday, May 28, 2023. The governor of the Veneto region, Luca Zaia, said that officials had requested the police to investigate to determine who was responsible, as environmental authorities were also testing the water. (AP Photo/Luigi Costantini)People look at Venice's historical Grand Canal as a patch of phosphorescent green liquid spreads in it, Sunday, May 28, 2023. The governor of the Veneto region, Luca Zaia, said that officials had requested the police to investigate to determine who was responsible, as environmental authorities were also testing the water. (AP Photo/Luigi Costantini)A gondola crosses Venice's historical Grand Canal as a patch of phosphorescent green liquid spreads in it, Sunday, May 28, 2023. The governor of the Veneto region, Luca Zaia, said that officials had requested the police to investigate to determine who was responsible, as environmental authorities were also testing the water. (AP Photo/Luigi Costantini)
Copyright 2023 The Associated Press. All rights reserved
A bright patch of green is seen in the Grand Canal along an embankment lined with restaurants, in Venice, Italy, Sunday, May 28, 2023. Police in Venice are investigating the source of a phosphorescent green liquid patch that appeared Sunday in the city's famed Grand Canal. (AP Photo/Luigi Costantini)
MILAN – Police in Venice are investigating the source of a phosphorescent green liquid patch that appeared Sunday in the city’s famed Grand Canal.
The governor of the Veneto region, Luca Zaia, posted a photo of the green liquid that spread through the water near the arched Rialto Bridge. The patch was reported by residents.
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Images on social media show a bright patch of green in the canal along an embankment lined with restaurants.
Zaia said that officials had requested that the police investigate to determine who was responsible. Environmental authorities were also testing the water.
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