Venice police investigate bright green liquid in Grand Canal

A firefighter on a boat looks at the arched Rialto Bridge along Venice's historical Grand Canal as a patch of phosphorescent green liquid spreads on May 28, 2023. (Photo: AP/Vigili Del Fuoco)
MILAN, Italy: Police in Venice are investigating the source of a phosphorescent green liquid patch that appeared on Sunday (May 28) 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.
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.